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SIP-T790 IP Phone User Manual

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SIP session timers T1, T2, and T4 are SIP transaction layer timers defined in RFC
3261.

- Configure SIP session timer through web page

(Only through web page configuration)

1. Login Web interface.
2. Click

Settings(E)-> The SIP configuration (*).

3. Check SIP Session Timer T1/T2/T4.
4. Press

Confirm

button to save.

SIP session timer T1: Timer T1 is an estimate of the round trip time (RTT) of the
transaction between the SIP client and the SIP server.
SIP session timer T2: Indicates the maximum retransmission time of any SIP request

message. The retransmission multiplication of T1 will continue until the retransmission
time reaches the value of T2.

For example: the user registers a SIP account and sets the values of timer T1 and

timer T2 respectively (timer T1:0.5, timer T2:4). The SIP registration request message
will be retransmitted between the phone and the SIP server. The retransmission
multiplication of timer T1(0.5) will continue until the retransmission time reaches timer
T2(4). The total registration request retry time will be less than 64 times of T1 (64 * 0.5
= 32). The retransmission interval is: 0.5s, 1s, 2s, 4s, 4s, 4s, 4s, 4s, 4s, 4s, 4s, 4s, 4s,
4s, 4s, 4s, 4s, 4s, 4s, 4s.

SIP session timer T4: Indicates the time for the network to clear messages between

the SIP client and server.

6.8.2 Local SIP port and TLS SIP port

If NAT is not enabled, the port number is displayed in the header of Via and Contact in
the SIP message. If NAT is enabled, the phone will use the NAT port and address in
the header fields of via and contact, but will still use the configured source port.

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Summary of Contents for SIP-T790

Page 1: ...SIP T790 T790 P G W K User Manual Document version V 3 0 2 Release date 2021 5 13 ...

Page 2: ...y to provide the most accurate statements information and suggestions and does not guarantee any express or implied structure The user shall bear full responsibility for the application of the product LVswitch Guangdong Information Technology Co Ltd does not make any guarantees for this guide including but not limited to implied merchantability and special purpose guarantees LVswitch Guangdong Inf...

Page 3: ...of the document please send your feedback to the following mailbox pan jiandong lvswitches com Since electronic products contain certain hazardous substances in order to properly dispose of these electronic and electrical wastes and at the same time recover precious resources when users intend to discard this product it should not be discarded with other household wastes and should be treated ...

Page 4: ...functions are the same and the difference lies in the hardware The following table describes the differences between these hardware Product model Specification SIP T790 Normal version SIP T790 P G W K P With PoE supply G Carry Gigabit Ethernet port W Carry WIFI module K Carry expansion module external network port This guide contains all the functions of the phone and instructions for use so that ...

Page 5: ...Usage Documentation ___________________________________________________ 14 2 Notes for safe use ___________________________________________________ 15 3 Getting started with the phone _________________________________________ 16 3 1 Packing list _____________________________________________________________ 16 3 2 Phone installation _______________________________________________________ 18 3 2 1 I...

Page 6: ...yntax ______________________________________________________________ 65 4 8 2 Dial plan function _____________________________________________________________ 65 5 Basic function _______________________________________________________ 72 5 1 Make a call _____________________________________________________________ 72 5 2 Answer the call __________________________________________________________74 ...

Page 7: ..._________________________________________________________________97 6 5 TR069 _________________________________________________________________ 98 6 6 Configuration management _______________________________________________ 99 6 7 Auto Provision _________________________________________________________ 100 6 7 1 Preparing steps _____________________________________________________________ 100 6 7 ...

Page 8: ...e documentation 1 1 Hardware composition The hardware components of the T790 phone mainly include a panel control panel an LCD display a handle and an external expansion disk The details are as follows Item Name Description 1 Handle handset Audio output when using the handle to make a call 2 microphone Audio input when using the handle to make a call 3 Hookswitch Handle placed hookswitch pressed h...

Page 9: ... keys will change with the operation of the phone keys In the function description below the soft keys refer to these four keys The soft key functions correspond to the text at the bottom of the display screen 10 Numeric keypad Provide number input uppercase and lowercase letter input punctuation input 11 Up down left and right buttons Options for switching 12 button Function setting confirmation ...

Page 10: ... hands free calling 1 2 Display icon description T790 display screen mainly used icons and their corresponding descriptions are as follows Type ICON Description Account Account is not activated not registered Registering Registered Voice status DND Auto answer Missed calls Voice mail Test Message The mute mode Speaker phone mode Handset mode Headset mode Call mute Call forwarding enabled Call list...

Page 11: ...ration QR code configuration Quickly configure the phone through the phone LCD screen and the phone keyboard panel you can configure and use the phone functions After checking the IP address of the phone you can also enter the IP address of the phone in the browser to view all the functions of the phone and configure it through the browser If there is no computer around you can use your smartphone...

Page 12: ... the function configuration chapter 1 4 3 Mobile phone scan code configuration Get the phone s QR code through the phone s QR code function Before scanning the smart phone needs to be connected to the WIFI of the same network as the phone before you can use the smart phone to scan the QR code to access the phone s management page For detailed feature settings please refer to the function configura...

Page 13: ...er Auto Answer Anonymous Rejection Anonymous Call Hotline QR code Heartbeat service DND Conference Advanced Features BLF Busy Lamp Field Multicast Paging Intercom Configuration management Auto Provision Customization Time date Multi language Sound Button voice Ring tone Signal tone call out button Dial plan DSS keys Keypad Lock Directory Local directory Blacklist Remote PhoneBook LDAP ...

Page 14: ... is as follows Name Description Obtain Language T790 quick user manual Includes easy installation and phone customization With IP phone Chinese English Lvswitch company website download T790 User Guide for IP Phone Detailed function introduction and use Lvswitch company website download Chinese English ...

Page 15: ...same time the warranty service of your product will also be invalid If you need technical support please contact the agent or your network administrator Keep the temperature and humidity of the product in line with the working requirements of the product Make sure that the product is placed flat on the workbench and check that the non slip glue on the product base does not fall off and cause the p...

Page 16: ...g the following contents 3 1 Packing list 3 2 Phone installation 3 3 Phone initialization 3 4 Phone standby interface 3 5 Check phone status 3 6 Set up phone network 3 7 Register an account 3 8 Phone input method 3 1 Packing list SIP T790 IP phone contains the following accessories Items Quantity Photo T790 IP phone 1 T790 IP handset handle 1 ...

Page 17: ...17 T790 IP phone stand 1 T790 Handset cord 1 Ethernet cable 1 ...

Page 18: ...lled the phone please skip this section and browse the phone initialization section The installation steps are as following 3 2 1 Install the base 3 2 2 Connect handset headset optional 3 2 3 Connect power cable and network cable 3 2 1 Install the base There are two types of base installation a Desktop installation b Wall mounted installation ...

Page 19: ...it needs to reverse the handle hook to prevent the handle from falling off the phone 3 2 2 Connect handle headset optional A socket is a headset socket and B socket is a handle socket 3 2 3 Connect power and network cable The phone supports two power supply methods a DC power b POE ...

Page 20: ...5V socket of the phone use the Ethernet cable in the package or use a standard network cable to connect the upper switch router to the Internet port on the back of the phone POE power Use an Ethernet cable to connect a switch or hub that supports PoE power supply to the Internet port on the back of the T790P ip phone ...

Page 21: ...work cable is connected after the phone is turned on the LCD screen will display the prompt of network acquisition 3 4 Phone standby interface The display interface after the phone starts normally is as follows The phone standby interface can display the phone s time date phone status Do Not Disturb Auto Answer account registration status extension number label and the labels of the four soft keys...

Page 22: ...r press soft key Menu Status to check 3 Press or to select Enter More to view more detailed status Computer browser interface to view 1 Open the browser 2 Enter the IP address of the phone IPv4 IPv6 192 168 0 103 3 Enter the phone login page enter the account and password to log in the initial account and password is admin admin 3 6 Set up phone network T790 can set three network modes IPv4 IPv6 I...

Page 23: ...through web interface 1 Log in to the phone page by IP address 2 Click Network N Basic b WAN interface Select in the drop down box 3 Click the Confirm button to save the configuration T790 phone can set static IP address Set static IP via phone interface 1 Press Menu Settings Advanced Settings password admin Network WAN port 2 Press or select IPV4 or IPV6 Press the Enter soft key to enter the deta...

Page 24: ...page by IP address 2 Click Network N Basic b WAN interface select IPV4 or IPV6 3 Fill in the static IP address according to the selected WAN interface mode IPv4 needs to fill in the IP address subnet mask default gateway primary DNS and secondary DNS IPv6 needs to fill in the IP address IPv6 prefix default gateway primary DNS and secondary DNS 5 Click the Confirm button to save the configuration ...

Page 25: ...nagement chapter 3 8 Phone input method The phone supports keyboard input and you can use the numeric keyboard to enter data on the screen to configure the phone s functions T790 supports 4 input methods 123 2aB abc and ABC When you need to input data you can use the soft key to switch between these 4 input methods When the input method is at 2aB press the button repeatedly to switch the character...

Page 26: ...witch input method to abc 2 Press the button for one time until w appears 3 Press the button continuously until i appears 4 Press the button continuously until t appears 5 Press the button continuously until c appears 6 Press the button continuously until h appears Finally form the word Input IP address 192 168 0 1 Switch input method to 2aB 1 Input number 2 Continuously press until symbol appears...

Page 27: ... the following points Language Time and date Call out button 4 1 1 Language T790 supports multiple languages the default language of phone initialization is English the phone interface and web interface are integrated after the phone changes language the web page will be refreshed and the language will be updated synchronously with the phone when the web interface changes language you need to rest...

Page 28: ...gure your SNTP server to automatically obtain the time and date or you can manually set the time and date Obtain the time and date automatically through the phone interface 1 Press Menu Settings Basic Settings Time Date Automatic Timing 2 Press the OK soft key to save Set the time and date manually through the phone interface 1 Press Menu Settings Basic Settings Time Date Manual Timing 2 Press or ...

Page 29: ...er and secondary server fill in the SNTP server address 5 Set the synchronization period unit seconds 6 Click the Confirm button to save after setting Set the time manually via a web browser 1 Log in to the phone page by IP address 2 Press settings E date and time t 3 Manual setting is enabled 4 Set the time and date as needed 5 Click the Confirm button to save after setting ...

Page 30: ...aylight saving time is automatic just select the corresponding location 4 There are two types of manually setting the daylight saving time method by date or by week Fill in the start time and end time 5 Click the Confirm button to save after setting Automatic set Daylight saving time Daylight saving time by date Daylight saving time by week ...

Page 31: ...ate format Date format Display MM DD WWW Wed Aug 12 YY MM DD 12 Aug 20 YYYY MM DD 2020 Aug 12 YYYY MM DD 12 Aug 2020 YY MM DD 12 Aug 20 YYYY MM DD 12 Aug 2020 MM DD WW Wed 12 Aug 4 1 3 Call out button T790 can set and numbers as the outgoing button you can also use the button send soft key to make outgoing set according to your personal habits Set the outgoing key on the phone interface 1 Press Me...

Page 32: ...ked Other keys are used normally All keys Except for the key key numeric keyboard hands free key account key and volume adjustment key all the other keys are locked The dial interface can only dial preset emergency numbers You can answer the call by lifting the handle hands free key Headset key answer soft key and corresponding account key You can reject the incoming call through the reject soft k...

Page 33: ...ock keyboard As shown below To set the keypad lock through the web user interface 1 Log in to the phone page by IP address 2 Press Features U Keypad Lock 3 Select Enabled from the Keypad Lock drop down box 4 Select Lock type from the Keypad Lock Type drop down box 5 If you need to change unlock password Enter new password in Phone Unlock PIN field 6 Enter automatically locking time in Auto Lock fi...

Page 34: ...t is it is successfully unlocked Long press or wait for the unlocking time to lock the keyboard again 4 2 Voice setting There are several sound settings in T790 including the following points Volume setting Ringtone setting Button voice setting Signal tones setting 4 2 1 Volume setting The T790 phone can set the ring volume and the volume during the call The volume setting range is 1 15 and the vo...

Page 35: ...nified ringtones contacts can also set different ringtones to distinguish incoming calls from different contacts The system provides a total of 10 default ringtones to choose from Set the ringtone for incoming calls on the phone interface 1 Press Menu settings basic settings sounds ring tone 2 Press or to select the ring tone 3 Press the Save soft key to save the selected ringtone Set the contact ...

Page 36: ...an be enabled and disabled by setting Set the phone key tone through the phone interface 1 Press Menu settings basic settings sounds Key tone 2 Press the switch soft key or and to enable and disable the key tone 3 Press the Save soft key to save 4 2 4 Signal tone The audible signal sent by the switch to the user indicates that the phone is in a certain state The signal tones follow a unified stand...

Page 37: ...Used to notify the calling user that they can dial The Second Dial 450 25 10 3dBm0 Prompt tone during second dialing Ring Back Tone 450 25 10 3dBm0 Indicates that the called user is ringing Busy Tone 450 25 10 3dBm0 Indicates that the connection is busy or the called party is busy Congestion 450 25 10 3dBm0 Indicates that this connection has encountered machine line congestion Call waiting 450 25 ...

Page 38: ...e internal extension number mobile phone number and other information T790 supports saving 1000 local contacts and 10 contact groups including default groups It supports operations such as adding groups editing setting ringtones setting accounts and editing contacts 4 3 1 1 Add group Add group via phone 1 Press the soft key Dir AddGrp 2 Fill in the group name 3 Press the Save soft key to save the ...

Page 39: ... name in the group name edit box only English can be input on the phone interface 5 Press the Save soft key to save the group Edit group name via web browser default group cannot be edited 1 Log in to the phone page by IP address 2 Click Directories B Address list x 3 Select group 4 After the selection the selected group becomes an input mode modify it to the name to be changed 5 Click the Edit bu...

Page 40: ...ot be deleted 1 Press Dir soft key 2 Press or to select the group needed to delete 3 Press Option soft key 4 Press or to select Delete option 5 Press Delete to delete the group If you want to delete all contacts press Option Delete All Delete group via web browser default group cannot be deleted ...

Page 41: ...key Option Add to contacts 4 Press or to complete contact information name group Mobile number Office number Other number Ring Account etc 5 Press Save soft key to save the contact Add contacts via local contacts on the phone interface 1 Press the Dir soft key on the standby interface or press Menu Directory Local Directory 2 Press or to the select the group entering 3 After entering the group pre...

Page 42: ...port contacts in bulk via web browser 1 Log in to the phone page by IP address 2 Click Directories B Address list x 3 Batch operation module click on CSV format to export contact templates 4 Add edit contact information in the table 5 Batch operation module Click Browse to find the CSV file you want to import click CSV format import to add contacts Currently only supports importing xls csv xlsx fi...

Page 43: ...to save the editing operation Edit contacts via web browser 1 Log in to the phone page by IP address 2 Click Directories B Address list x 3 Click the contact you want to edit in the contact list below and the information will be filled in the local contact module 4 Modify the contact information in the local contact module 5 Click the Edit button to save the editing operation 4 3 1 6 Delete contac...

Page 44: ...lete in the contact list below 4 Click the Delete Delete all button under the list to delete the contact 4 3 1 7 Call contact Call a local contact through the phone interface 1 Press the Dir soft key in standby mode or Menu Directory Local Directory All Contacts 2 Press or to select the name of the contact you want to call 3 Press the Send soft key to enter the contact number list 4 Press or to se...

Page 45: ... Directory Blacklist Add 2 Press or to edit blacklist information name mobile phone number other number account etc 3 Press the Save soft key to save changes to the blacklist members Add a blacklist through the phone CDR interface 1 Press the History soft key in standby mode 2 Press or to select the number added to the blacklist 3 Press soft key Option Add to blacklist 4 Complete blacklist member ...

Page 46: ...list through the phone interface 1 In standby mode press the soft key Menu Directory Local Directory Blacklist 2 Press or to select the blacklist members to be deleted 3 Press Option Delete Delete all 4 Press the OK soft key to delete Delete the blacklist through a web browser 1 Log in to the phone page by IP address 2 Click Directories B Address list x 3 Select the blacklist from the drop down bo...

Page 47: ...ly branched underneath and each employee can be branched out under the department and contacts can be retrieved within a certain range according to specific rules such as the name of a company s hardware department Including J employees etc You can configure the phone to connect to an LDAP server that supports LDAPv2 or LDAPv3 The phone supports the following LDAP servers Microsoft Active Director...

Page 48: ...k or blacklist The phone sends a search request to the LDAP server The LDAP server searches for all contacts based on the entered search content and configured filter conditions and then returns the matching results to the phone 4 3 3 2 Configure LDAP server The following example is for reference only You can modify the LDAP attribute value according to your specific needs 1 Open the web interface...

Page 49: ...for contacts from all the phone books Fill in a phone book node the LDAP server will search for contacts from this phone book dc pbx dc com User name Fill in the user name of LDAP server The user name provided by the LDAP server Password Fill in the password of the LDAP server The password provided by the LDAP server Max hit 1 1000 Set the maximum entry of LDAP server search results 50 LDAP Name A...

Page 50: ...mber of the contact the contact information that meets the search criteria will be displayed on the screen 3 Press or to select the contact 4 Press Send soft key and make a call 4 4 CDR call history management The call history of T790 includes dialed numbers missed calls and received calls Each record supports up to 300 records You can view delete add contacts and add blacklists to the dialog list...

Page 51: ...o y Make a call from the CDRS 1 Press the History soft key when the phone is in standby 2 Press or to select the number going to call 3 Press Send soft key to make a call 4 5 Accessories customization T790 can be used with a variety of accessories the main accessories are as follows Headset Extension module ...

Page 52: ...greatly improves the function and scalability of the T790 phone Each expansion station has 32 programmable buttons two color LED which are connected to the IP phones that support the expansion station through an RJ 45 straight through cable T790K phones that support expansion interfaces can be connected to up to 6 expansion stations and provide 192 programmable keys Combined with IP PBX each progr...

Page 53: ...elated accessories are complete the packing list is as follows One extension module One RJ45 network cable 1 metal mounting fastener including 4 mounting screws Expansion stand 4 5 2 3 Connect the expansion module Connect the phone with the extension station 1 Connect the phone and extension station with metal mounting fasteners and fix them with mounting screws 2 Mounting brackets 3 Use an RJ 45 ...

Page 54: ...nsion platforms with metal mounting fasteners and install screws to fix them 2 Mounting brackets 3 Use RJ 45 network cable straight through cable one end is connected to the OUT interface of expansion module A and the other end is connected to the IN interface of expansion module B As shown below ...

Page 55: ...king 2 Flashing red There is an incoming call on the remote line 3 Steady yellow green The remote line is idle The sequence of programmable keys From top to bottom on the left 1 16 From top to bottom on the right 17 32 2 Paper jam in the expansion table Provide the user with the identification definition of the speed dial number and the set function keys which is convenient for users to refer to 3...

Page 56: ...nsion station in the phone status on the web page Install expansion module 1 Operate on the phone click Menu Features Expansion Disk Installation the screen displays Press the number 1 6 of the extension disk to select the serial number OK button to complete in general the directly connected phone is the extension station 1 The next expansion station connected to expansion station 1 is expansion s...

Page 57: ... all the characters disappear there is no problem with 32 keys Lamp diagnosis 1 Operate on the phone click Menu Settings Basic Settings Diagnosis Extension Disk Light 2 The screen display is as follows 3 Press the button repeatedly the LED lights of the expansion module will light up when multiple expansion modules are cascaded they will light up at the same time red yellow and green lights observ...

Page 58: ...to the same network If there is no network interconnection device you can directly connect the computer to the PC port of the IP phone through a straight through cable 2 Ensure that the phone is running normally check the IP address of the phone 3 Enter the phone IP address in the address bar of the browser 4 Enter the administrator user name and password and enter the web configuration page The d...

Page 59: ...accounts and make calls through the registered SIP accounts Dual accounts can make multiple calls at the same time and switch the account to use by pressing the account key 4 6 1 1 Account Register Register an account through the phone interface 1 Press Menu Settings Advanced Settings password admin Account 2 Press or to select the account to be configured and press the Enter soft key to enter the...

Page 60: ...he right side of the LCD screen You can set different functions for these two buttons and you can set the label of the account key The label will be displayed on the location of the key on the LCD screen when the phone is in standby Set the account key function through the phone interface 1 Press Menu Features Dess keys 2 Press or to select which account key to edit 3 Press the Switch soft key in ...

Page 61: ...ring standby 5 After selecting press the Confirm button to save 4 7 2 Account key function type description Type Description and usage Line key Account The default setting is account key Use method 1 The line key type is set to account 2 Value no need to fill 3 Fill in the label as required 4 Click the account key the green light of the key is always on a dial tone is issued and the user is prompt...

Page 62: ...ercom function is enabled on the web interface 6 The phone of the called number automatically answers the intercom call For details please refer to the detailed description of the intercom function 4 7 3 Programmable function keys You can customize the soft key navigation keys and function keys according to your personal habits To customize programmable function keys via web user interface 1 Log i...

Page 63: ... to the set number to realize intercom Using method 1 The type sets to intercom 2 The account is set to the corresponding account that needs to realize intercom 3 The value range is set to the intercom prefix the number of the other party to be intercom 4 Set the label according to needs 5 Click the account key the green light of the key is always on and it will automatically dial to the set numbe...

Page 64: ...se method 1 The type is set to status 2 Set the label according to needs 3 After setting pressing can check the phone status Local phonebook Use method 1 The type is set to Local phone book 2 Set the label according to needs After setting press to enter local contacts Switch account up Use method 1 The type is set to Switch account up 2 Set the label according to needs After setting pressing the b...

Page 65: ...is only one in the string used with the symbol Enter 12 7 9 45 match 12745 12845 12945 Represents a combination of multiple ranges there are multiple in the string Enter 1 2 7 8 match 17 27 18 28 4 8 2 Dial plan function Dialing rules include the following Replace rule Call out immediately Area code Block out 4 8 2 1 Replace rule You can set one or more up to 100 substitution rules A substitution ...

Page 66: ...a account 1 2 all 5 Click Add to add a replace rule After adding the above rules when you dial the number 1 press the Send soft key or to make the call the phone will automatically be replaced with 12345 for dialing Modify the replacement rule through the web interface 1 Click Settings E Dial Plan k Replace Rules 2 Check the box to the right of the rule 3 Modify the values in the prefix area and r...

Page 67: ...set instant outgoing delay time without pressing the send button For example when you set the outgoing rule to xxxxx and the calling account to all any account when you dial any five digit number of 10086 the phone will immediately call 10086 when the outgoing rule is met Add dial now rules via web interface 1 Log in to the phone page by IP address 2 Click Settings E Dial plan k Dial now 3 Enter t...

Page 68: ...ule to be modified in the rule list 4 Modify the rule in the rule input area such as original xxxxx change 1xxxx 5 Select the account that the dial now rule applies to account 1 4 or All The default value is all means all accounts 6 Click the Edit button to save the modified rule Delete the outgoing call rule through the web interface 1 Log in to the phone page by IP address 2 Click Settings E Dia...

Page 69: ...Code Calls between different regions need to add the area code which is different in different areas If you need to dial the phone number of a certain area frequently you need to manually add the area code prefix of that area Use this function to automatically add an area code prefix to your outgoing number Example Set area number length range 1 15 digits 0757 When you dial a number length range 1...

Page 70: ...n numbers T790 supports up to 10 restricted outgoing numbers When the number you call matches the rule the phone LCD will display the words Forbid Number Add restriction rules through web interface 1 Log in to the phone page by IP address 2 Click Settings E Dial Plan k Block out 3 Fill in the number to be blocked out in the blocked out number field ...

Page 71: ...ist of restricted outgoing rules 4 Modify the rule in the rule input area such as original 800 changed 111 5 Select the account needs to block acount 1 2 all 6 Click the Edit button to save the modified rule Delete the restricted outgoing call rule through the web interface 1 Log in to the phone page by IP address 2 Click Settings E Dial plan k Block out 3 In the list of restricted outbound rules ...

Page 72: ...ne 5 1 Make a call The way to make a call can be manual dialing CDRs local contacts select number dialing For the dialing method of CDRs and local contacts please refer to Contact Management and CDR Management T790 can use three tools to talk Handle Headset Hands free Use the handle to make a call You can use any of the following methods Way 1 Way 2 1 Pick up the handle when the phone is idle 1 En...

Page 73: ...r Send softkey to call out the number 3 Press or Send softkey to call out the number Multi way call T790 supports multiple calls each account supports up to 2 calls while one call is in progress the other call is on hold You can initiate a new call in any of the following ways Way 1 Way 2 1 During a call press the Account key the current call will be put on hold and enter the dialing interface 1 D...

Page 74: ...ect soft key to reject the call If DND is set you can automatically reject incoming calls For details please see the DND section 5 3 End the call If you want to hang up during a call you can use the following methods 1 Use the handle press the EndCall soft key or put the handle back to the phone 2 Use hands free call press the EndCall soft key or hands free key 3 Use the headset to call press the ...

Page 75: ...od 1 Redial the last call Press button twice to redial the last call 2 Redial any call 1 Press button once 2 Press or to switch the number 3 The press Send soft key or button to redial any call 5 5 DND You can set the phone to the DND mode After setting the DND mode the phone will display an icon in the upper right corner When the phone receives an incoming call it will not ring and inform the oth...

Page 76: ...ve transfer Transfer operation process 1 When there is an external call the phone is ringing 2 Press the FWD soft key 3 Enter the number to be transferred 4 Press button Send button Send soft key to transfer the incoming call 5 6 2 Auto transfer Automatic transfer is mainly divided into the following types Unconditional transfer all incoming calls on the phone will be transferred to the preset num...

Page 77: ...rward 2 Press Switch soft key to enable or disable the function 3 Press or to select the Transfer to term fill in the busy forward number 4 Press the Save soft key to save the operation No Answer Forward 1 Press or to select No answer forward 2 Press Switch soft key to select enable disable 3 Press or to select the number item and fill in the number to be transferred 4 Press to select delay time f...

Page 78: ...ly transfer to the other party Inquiry transfer After negotiating with the transferee and agreeing to transfer transfer the call to the other party 5 7 1 Blind Transfer Blind transfer operation process 1 Phone A and phone B is on the call Phone A Phone B Phone C 1 A and B is on the call B enters the C number press the blind transfer soft key to transfer to C A and B are disconnected and A and C B ...

Page 79: ... Press or to select the group press Enter soft key into the group 3 Press or to select the contact you want to transfer and press the Send soft key 4 Press or to select the number or mobile phone number press Trans soft key to transfer 5 The call between phone B and phone A will be interrupted and the call will be transferred to phone C The process of canceling the blind transfer When phone A and ...

Page 80: ... can answer the call from phone A 2 Phone B press the Trans soft key 3 The call between phone B and phone A will be interrupted the call will be transferred to phone C and phone A and C will talk If C does not agree to answer B and C end the call B press the resume soft key to resume the call between A and B indicating the reason why the transfer cannot be made and AB ends the call If C agrees to ...

Page 81: ...led for automatic answering an automatic answering icon appears on the standby display interface of the phone Indicates that the phone is in automatic answering state When the phone is in a call it will no longer answer automatically 5 9 Anonymous Call The phone can enable the anonymous rejection function When there is an anonymous call it will automatically reject the call If the server supports ...

Page 82: ... 10 Hotline You can set frequently dialed numbers as hotlines When using the hotline when you pick up the handle press the handsfree and use the headset for dialing operations after waiting for the hotline delay time the phone will automatically dial the set hotline number If the delay time is set to 0 the hotline number will be automatically dialed out immediately when dialing Set the hotline fun...

Page 83: ... the phone belongs and in the same network segment as the phone such as connected to the WIFI of the router The interface of the mobile phone login phone belongs to the following figure The specific usage method is the same as that of the computer web page If you want to know the configuration method of each function please check the function introduction of each chapter If you have any questions ...

Page 84: ...ith phone C but it is on hold 2 If account 1 is calling and account 2 is on hold press or to switch the call Using account 1 that is currently in a call press the Conf soft key to enter the dialing page press to select the held call and press the Send soft key to start a three way call Operations that can be performed during a three way call 1 Split soft key Split three way calls into multiple ind...

Page 85: ... contact your seller to obtain Upgrade firmware version via web 1 Through the web interface click Settings Upgrade Upgrade Firmware select the version that needs to be upgraded and click Upgrade 2 It is forbidden to disconnect the power supply and network during the upgrade process otherwise irreversible problems may occur and the system cannot be turned on 5 14 Upload ringtone T790 phones can upl...

Page 86: ...l 86 2 Select the ringtones in Upload Ringtone field and Click Import button upload your own ring tone the maximum limit of ringtones is 100KB 3 After the upload is successful you can choose your ring tone from the Ring Type field ...

Page 87: ...gue s account is busy Configure BLF function You can configure the BLF monitoring function on the phone and the monitored phone does not need to be configured 6 1 1 Configure BLF button Configure the BLF button via the phone interface 1 Press Menu Features Dess KEYS 2 Select the account key which needed to set BLF key 3 Press or key to switch select BLF in the type area 4 Press or key to switch se...

Page 88: ...p feature code in the extension input box which needs the support of the SIP server 8 Click Confirm to save the operation or cancel to abandon the operation 6 1 3 Use BLF Function The method of using the BLF key is as follows Call the monitored account When the monitoring account is idle press the BLF key and the phone will call out the monitoring account Answer calls from monitored accounts When ...

Page 89: ...2 2 Intercom function setting Turn on the intercom through the phone interface 1 Press Menu Features Intercom 2 Press or to select intercom function 3 Press switch soft key to open close it 4 Press the Save soft key to save Turn on the intercom through the web interface 1 Log in to the phone page by IP address 2 Click Function U Intercom n 3 Select to enable the intercom function 4 After selecting...

Page 90: ...re the multicast key through the phone 1 Press Menu Features Dess keys 2 Select the account key that needs to set up multicast 3 Press or key to switch select key event in the Type area 4 The key type is paging 5 Optional Enter the content displayed on the standby interface in the Label area 6 Enter the multicast address IP address port number in the Value field and the IP range is 224 0 0 0 239 2...

Page 91: ...Edit soft key 4 Enter the multicast IP address and port number in the Address field for example 224 5 6 20 10008 5 Enter the group name in the Label field 6 Enter the corresponding channel number in the Channel area The valid channel numbers are from 0 to 30 7 Press Save soft key to save the operation 8 Repeat steps 2 7 to add more groups Configure paging list via web interface 1 Click Directory M...

Page 92: ...e operation when finished Delete multicast group via phone interface 1 Press menu Features Paging list 2 Press or to select the corresponding group 3 Press option soft key then press Delete key 4 The phone LCD screen prompts Delete group 5 Press the OK soft key to delete To delete all multicast groups press the Delete All soft key ...

Page 93: ...ge is 1 31 For example if the priority is set to 1 the multicast with priority 2 31 is ignored 2 Penetrate DND If the phone is enabled to penetrate DND priority is 3 when the phone is enabled in the DND mode multicasts with a priority greater than or equal to three can be answered normally 3 Paging priority If you enable paging priority when the phone is listening to the multicast RTP stream with ...

Page 94: ... key and the pre configured monitor phone will receive the multicast RTP stream if phone A presses the hold key the receiver will automatically hang up the multicast RTP session Press the restore button to restore the held multicast Press Hang up to end the multicast RTP session 2 Multicast list sending Press Multicast List in the standby state select the option that needs multicast and press Mult...

Page 95: ...s Text messages can be stored in Inbox Sentbox outbox and draft box each of which can store 100 text messages If the number of SMS exceeds 100 the phone will directly delete the oldest SMS To read text messages 1 Press Menu Messages Text message Inbox 2 Select the information you want to read and press the View soft key Send text messages 1 Press Menu Messages Text messages New Message 2 Write new...

Page 96: ...nfirm button to send the message To reply text messages 1 Press Menu Messages Text messages Inbox 2 Select the message you want to reply and press the Reply soft key 3 Write message press abc to switch input methods 4 After editing press Send softkey 5 Check the Sender and Send to area 6 Press the Send soft key Delete text messages 1 Press Menu Messages Text messages Inbox Sentbox Outbox Draftbox ...

Page 97: ...eived the phone s power light flashes slowly in red and the LCD interface displays N New VoiceMail N represents the number of unread voice messages for example 3 new voice messages and a voice message icon is displayed Send voice message When the calling user is busy or inconvenient to answer the call you can leave a message according to the voice prompt of the server and hang up after leaving the...

Page 98: ...ce messages 1 Press Menu Messages Voice Message View Voice Message 2 Select the account you want to listen to and press the Connect soft key to answer the voice message 6 5 TR069 TR069 is a communication protocol for communication between CPE and ACS CPE can use this agreement to complete the necessary actions such as service activation function setting file upload and download system detection et...

Page 99: ... configuration management or you can modify the exported configuration and re import the phone BIN configuration 1 Log in the web interface via Ip address 2 Click settings E Configuration BIN configuration 3 Import and export configuration browse to select import configuration you can also export configuration directly 4 Click the import button CFG configuration 1 Log in the web interface via Ip a...

Page 100: ... In standby mode press Ok More Device product name is the product model Boot file description When the phone is automatically configured it will first try to download the common boot boot file and guide the phone based on the boot file to reference the specified CFG configuration file The specific sequence is as follows Configuration file description Before configuring the phone you need to obtain...

Page 101: ...eate a LanguageAndUp cfg file add the configuration and place it in the server root directory languate language_setting languages 0 upgrade static firmware url ftp 192 168 17 xx V2 0 0 3_T790_rootfs sqhfs 6 7 2 Automatic update operation steps There are two methods of server HTTPS FTP TFTP 6 7 2 1 HTTP S method update To configure the server just run HFS exe directly after running put the configur...

Page 102: ...teps 1 Login Web interface 2 Click Settings E Auto provision 3 3 server URL Fill in the https address such as http s 192 168 17 xx enable power on and start Automatic configuration information update after restart 6 7 2 2 FTP TFTP method update ...

Page 103: ...environment root directory the configuration file includes xx boot and xx cfg etc File The configuration steps as following Setup steps 1 Login Web interface 2 Click Settings E Auto provision 3 3 server URL fill in the ftp tftp address for example ftp 192 168 17 xx Enable power on startup automatic configuration information update after restart 6 8 SIP configuration 6 8 1 SIP Session Timer ...

Page 104: ...isters a SIP account and sets the values of timer T1 and timer T2 respectively timer T1 0 5 timer T2 4 The SIP registration request message will be retransmitted between the phone and the SIP server The retransmission multiplication of timer T1 0 5 will continue until the retransmission time reaches timer T2 4 The total registration request retry time will be less than 64 times of T1 64 0 5 32 The...

Page 105: ...ctions and each action corresponds to a URL that can be customized by the user When a certain action occurs such as an incoming call the phone and the corresponding URL HTTP HTTPS GET is sent to the computer so as to achieve the purpose of reporting its own action URL format http s server address help xml mac mac 6 9 1 The action that can realize reporting to the server The action that can realize...

Page 106: ...all When ip phone dial a call Same as above Establish a session When the session is establishing Same as above End a session When the session is finish mac ip model firmware Enable DND Enable do not disturb Same as above Disable DND Disable do not disturb Same as above Enable call forwarding unconditionally Enable call forwarding unconditionally Same as above Disable call forwarding unconditionall...

Page 107: ...all Same as above Enable mute Enable mute Same as above Disable mute Disable mute Same as above Unanswered calls When you get unanswered calls Same as above IP change When the ip phone IP address changes Same as above Idle into a call When the phone enters the call state from the idle state mac ip model firmware active_url active_user active_host local remote display_local display_remote call_id c...

Page 108: ...ove VPN IP When the VPN IP address was changed Same as above 6 9 2 Variable description Variables supported in Action URL The actions that can be reported Description mac Phone MAC address ip Phone IP address model Phone type firmware The phone s firmware version number active_url The sip_uri of the current active account only valid for incoming outgoing and calling active_user Reissue the user ac...

Page 109: ...sted Certificates You can upload a specific CA certificate to your phone Configure trusted certificates via web interface 1 Login Web interface 2 Click security F Trusted Certificates 3 Select the approriate value from Only trusted certificates are allowed User name confirmation CA certificate 4 Click Confirm to confirm the operation A dialog box pops up prompting to take effect after restart 5 Cl...

Page 110: ...usted certificate via web page 1 Login Web interface 2 Click security F Trusted Certificates 3 In the Load Trusted Certificate File area click Browse to select the local certificate file pem crt cer 或 der 4 Click import to import the certificate ...

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