Cortelco C56 User Manual Download Page 2

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Safety Notices

Please read the following safety notices before installing or using this phone. They are crucial

for the safe and reliable operation of the device.



Please use the external power supply that is included in the package. Other power

supplies may cause damage to the device, affect the behavior or induce noise.



Before using the external power supply, please be sure it is for use with your power

voltage. Incorrect power voltage may cause fire and damage.



Please do not damage the power cord. If the power cord or plug is damaged, do not use it.

This may cause fire or electric shock.



The power plug should be accessible at all times because this is the only way to remove

power from the device.



Handle the phone carefully. Do not drop it or shake it. Rough handling can cause internal

damage.



Do not install the device in direct sunlight. Also do not put the device on carpets or

cushions, or other poorly ventilated locations. This may cause fire or overheating.



Avoid exposure to temperatures above 40

℃

, below 0

℃

or high humidity. Avoid wetting

the unit with any liquid.



Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the device. If

cleaning is necessary use a soft cloth that has been slightly dampened in a mild soap and

water solution.



Do not touch the power cord or network cable during a thunderstorm. There is a slight

risk of electrical shock.



Do not attempt to open the device. Consult your authorized dealer for repair.

Summary of Contents for C56

Page 1: ...Version 1 0 August 14 2013 C56 VoIP Phone User Manual Cortelco 1703 Sawyer Road Corinth MS 38834 USA www cortelco com Tel 662 287 5281 Fax 662 287 3889 ...

Page 2: ...le at all times because this is the only way to remove power from the device Handle the phone carefully Do not drop it or shake it Rough handling can cause internal damage Do not install the device in direct sunlight Also do not put the device on carpets or cushions or other poorly ventilated locations This may cause fire or overheating Avoid exposure to temperatures above 40 below 0 or high humid...

Page 3: ...G A CALL 10 3 3 CALL HOLD 10 3 4 CALL WAITING 11 3 5 CALL TRANSFER 11 3 5 1 Blind Transfer 11 3 5 2 Attended Transfer 11 3 6 3 WAY CONFERENCE CALL 11 4 ADVANCED FUNCTIONS 11 4 1 DIALING PAUSE 11 4 2 MWI MESSAGE WAITING INDICATION 12 4 3 REDIAL UNREDIAL 12 4 4 CLICK TO DIAL 12 4 5 AUTO ANSWER 12 5 WEB CONFIGURATION 12 5 1 INTRODUCTION OF CONFIGURATION 12 5 1 1 Configuration Methods 12 5 1 2 Passwor...

Page 4: ...3 4 2 FEATURE 34 5 3 4 3 DIAL PLAN 37 5 3 4 4 CONTACT 39 5 3 4 5 WEB DIAL 40 5 3 5 Function Key 40 5 3 6 Maintenance 41 5 3 6 1 Auto Provision 41 5 3 6 2 Syslog 43 5 3 6 3 Config Setting 44 5 3 6 4 Update 45 5 3 6 5 Access 46 5 3 6 6 Reboot 47 5 3 7 Security 47 5 3 7 1 WEB FILTER 47 5 3 7 2 Firewall 48 5 3 8 Logout 49 5 4 SETTINGS VIA PHONE S KEYBOARD 49 5 4 1 Procedure 49 5 4 2 Phone menu 49 6 AP...

Page 5: ...ur phone 1 2 Box Contents The following items should be packed with your telephone Please contact your dealer if any of them are missing Telephone Main body with display and keypad Handset Handset cord Power supply Ethernet cable 1 3 Keypad Key Key name Function Description Navigation Use this key to choose item in the menu callers or phone book Notice the left has deleting function History Displa...

Page 6: ...ne settings such as phone number IP address gateway address etc ENTER Used to enter next menu or confirm settings MWI Accesses voice mail system TRANSFER Performs blind or attended transfers See Section 3 1 4 for more details CONFEREN CE Creates a conference 3 Way call See Section 3 1 5 for more details HOLD Places caller on hold EXIT Return to a previous menu cancel a setting or reject an incomin...

Page 7: ...Ethernet cable in the package to connect the WAN port on the back of your phone to an Ethernet port The following two figures show connection options 2 Connect the handset to the handset jack using the handset cable in the package 3 Connect the power supply to the DC port on the back of the phone Connect the power supply to a standard power outlet Note that the power supply will not be needed if y...

Page 8: ...4 Input the password default value is 123 5 Press ENTER The LCD will display NETWORK 6 Press ENTER The LCD will display WAN 7 Press UPARROW 8 Press ENTER The LCD will display STATIC NET 9 Press UPARROW 10 Press ENTER The LCD will display USER NAME 11 Press ENTER 12 Press LEFT ARROW 13 Enter your PPPoE account number Use LEFT ARROW to delete if necessary 14 Press ENTER The LCD will display the PPPo...

Page 9: ... LCD will display DNS2 16 Press ENTER 17 Press LEFT ARROW 18 Input the secondary DNS address 19 Press ENTER The LCD will display the DNS address 20 Press EXIT to return to the previous menu 21 Press DOWN ARROW The LCD will display DNS 22 Press ENTER 23 Press LEFT ARROW 24 Input the primary DNS address 25 Press ENTER The LCD will display the DNS address 26 Press EXIT to return to the previous menu ...

Page 10: ...s can be made using either the handset or speakerphone 1 Handset Pick up the handset The icon will be shown on the LCD screen 2 Speakerphone Press the Speaker button The icon will be shown on the LCD screen The number may also be dialed first Then the method of speaking can be chosen 3 1 2 Call Methods Press an available line button then use one of the following methods to place a call 1 Dial the ...

Page 11: ... by After the third party answers press transfer key to complete the transfer NOTE Call waiting and call transfer must be enabled NOTE The SIP server must support RFC3515 3 6 3 way conference call 1 Press the hold key during an active call 2 The first call will be placed on hold and dial tone will be heard 3 Dial the number to be added to the conference 4 Press Send 5 When the call is answered pre...

Page 12: ...B s number 3 is the redial prefix code A can dial 3 plus B s phone number to activate the redial function 4 is the unredial prefix code A can dial 4 to cancel the redial function The user can select any prefix as long as it does not interfere with dialing rules 4 4 Click to dial If User A browses to User B s phone number or SIP address in the contact page and clicks it User A s phone will ring Aft...

Page 13: ...The default password for the phone screen menu is 123 5 2 Setting via web browser Enter the phone s IP address into the address bar of the web browser This assumes that the pc and the phone are on the same subnet Note Internet Explorer Firefox Chrome or Safari are supported browsers If the IP address is not known it can be displayed on the phone s LCD by pressing the Menu Status After entering the...

Page 14: ...Shows the configuration information for WAN and LAN port including connection mode of WAN port Static DHCP PPPoE MAC address IP address of WAN port and LAN port DHCP server status for LAN port ENABLED or DISABLED Accounts Shows the phone numbers and registration status for the 2 SIP LINES ...

Page 15: ...eters of a Static IP connection must be provided by your ISP 2 DHCP In this mode network parameter information will be obtained automatically from a DHCP server 3 PPPoE In this mode you must enter your ADSL account and password Refer to Section 2 2 for detailed information about configuring the network parameters ...

Page 16: ... go to Quick SIP Settings 5 3 1 2 2 DHCP After selecting DHCP and clicking NEXT the Quick SIP Settings screen will appear Click Back to return to the Wizard screen Click Next to go to the Summary screen 5 3 1 2 3 PPPoE If PPPoE is selected this screen will appear Enter the information provided by the ISP Click Back to return to the Wizard screen Click Next to go to Quick SIP Setting ...

Page 17: ... server port usually 5060 Authentication User Login name or Authentication ID Authentication Password SIP password SIP User Phone number Enable Registration Submits registration information Normally checked Click Back to return to the IP Address screen Click Next to see summary screen Click Finish button to save settings and reboot After the reboot SIP calls can be made ...

Page 18: ...one Current Subnet Mask The current Subnet Mask Current IP Gateway The current Gateway IP address MAC Address The MAC address of the phone MAC Timestamp Time the MAC address was obtained WAN Settings The phone supports three network modes These are also discussed in Section 2 2 Static Network parameters must be entered manually and will not change All parameters are provided by the ISP DHCP Networ...

Page 19: ...er the information provided by the ISP Service Name IP Address or name of DSL Server User DSL User Name or Login ID Password DSL Password After entering the new settings click the APPLY button The phone will save the new settings and apply them If a new IP address was entered for the phone it must be used to login to the phone after clicking the APPLY button 5 3 2 2 Qos VLAN Config The phone suppo...

Page 20: ... be sent to Ports 2 3 and 4 Chart 2 shows an example with two VLANs indicated by red and blue In this example frames broadcast from Port 1 will only go to Port 2 since Ports 3 and 4 are in a different VLAN VLANs can be used to divide a network by restricting the transmission of broadcast frames Note In practice VLANs are distinguished by the use of VLAN IDs ...

Page 21: ...e Point DSCP SIP DSCP Specify the value of the SIP DSCP in decimal Audio DSCP Specify the value of the Audio DSCP in decimal Enable WAN Port VLAN Enable or Disable WAN Port VLAN WAN Port VLAN ID Specify the value of the WAN Port VLAN ID Range is 0 4095 SIP 802 1P Priority Specify the value of the voice 802 1p priority Range is 0 7 Audio 8021P Priority Specify the value of the signal 8021 p priorit...

Page 22: ...r Telnet access The default is 23 RTP Port Range Start Set the beginning value for RTP Ports Ports are dynamically allocated RTP Port Quantity Set the maximum quantity of RTP Ports The default is 200 Notes 1 Any changes made on this page require a reboot to become active 2 It is suggested that changes to HTTP Port and Telnet ports be values greater than 1024 Values less than 1024 are reserved 3 If...

Page 23: ... Server Time Zone Local Time Zone Resync Period Time between resync to SNTP server Default is 60 seconds 12 Hour Clock If checked clock is 12 hour mode If unchecked 24 hour mode Default is 24 hour mode Date Format Specify the date format Fourteen different formats are available Date Separator Four date separators are available space Daylight Saving Time Settings Enable Enable daylight saving time ...

Page 24: ...DST Minute Start and end minute for DST Manual Time Settings Enter the values for the current year month day hour and minute All values are required Note Be sure to disable SNTP service before entering manual time and date 5 3 3 VOIP 5 3 3 1 SIP Configuration Configure a SIP server on this page ...

Page 25: ...w Registered if registered or Unapplied if not registered Server Address SIP server IP address or URI Server Port SIP server port Default is 5060 Authentication User SIP account name Login ID Authentication Password SIP registration password SIP User Phone number assigned by VoIP service provider Phone will not register if there is no phone number configured ...

Page 26: ...ded No answer If there is no answer incoming calls will be forwarded after a specified time Always All incoming calls will be forwarded Forward Number Number to which calls are to be forwarded No Ans Fwd Wait Time Used in conjunction with Call Forward No Answer Wait time in seconds before call is forwarded Transfer Timeout Time interval between sending bye message and hanging up after the phone tr...

Page 27: ...ff Code Disable Server Always CFwd as described above Busy CFwd On Code Busy Call Forward On When this function is enabled the server will forward all calls to a designated number if the telephone is busy The call record will not be displayed in Call History Busy CFwd Off Code Disable Server Busy CFwd as described above No Ans CFwd On Code No Answer Call Forward On When this function is enabled th...

Page 28: ...t transport protocol TCP UDP or TLS Anonymous Call Edition Set privacy support RFC3323 RFC3325 or none Keep Authentication Enable disable registration with authentication It will use the last authentication field which passed authentication by server This will decrease the load on the server if enabled Ans With a Single Codec If enabled phone will respond to incoming calls with only one codec Auto...

Page 29: ...l affect all lines 5 3 3 2 STUN Config STUN support is configured in this page STUN Simple Traversal of UDP through NAT A STUN server allows a phone in a private network to know its public IP and port as well as the type of NAT being used The phone can then use this information to register itself to a SIP server so that it can make and receive calls while in a private network ...

Page 30: ... used Example 1 Substitution Assume that it is desired to place a direct IP call to IP address 192 168 119 Using this feature 156 can be substituted for 192 168 1 119 Example 2 Substitution To dial a long distance call to Beijing requires dialing area code 010 before the local phone number Using this feature 1 can be substituted for 010 For example to call 62213123 would only require dialing 16221...

Page 31: ... peer call enter the destination IP address or domain name To use a dial rule on the SIP2 line enter 0 0 0 2 For SIP3 enter 0 0 0 3 Port Set the Signaling port the default is 5060 Alias Set the Alias This is the text to be added replaced or deleted It is optional Note There are four types of aliases 1 Add xxx xxx will be dialed before any phone number 2 All xxx xxx will replace the phone number 3 ...

Page 32: ...dialed number if the dialed number matches the template in the Phone Number box Dial 8309 The SIP1 server will receive 07558309 Set Phone Number Alias and Delete Length Phone number is XXXT and Alias is rep xxx If the dialed phone number starts with the digits in the Phone Number box the matching digits will be replaced by the alias number Dial 0106228 The SIP1 server will receive 86106228 If the ...

Page 33: ...dec choice G 711A u G 722 G 723 G 729 G 726 None Sixth codec The sixth codec choice G 711A u G 722 G 723 G 729 G 726 None Onhook Time Time the handset must be on hook to disconnect a call Default is 200ms Default Ring Type Ring Sound There are 9 standard types and 3 User types Handset Input Volume Handset Microphone volume 9 levels Handset Output Volume Handset receiver volume 9 levels Speakerphon...

Page 34: ...le Voice Activity Detection VAD If VAD is enabled G729 Payload length cannot be set greater than 20 mSec DTMF Payload Type The RTP Payload type that indicates DTMF Default is 101 5 3 4 2 FEATURE This page configures various features such as Hotline Call Transfer Call Waiting etc ...

Page 35: ...peakerphone mode the phone will automatically hang up and return to idle when the distant party terminates the call In handset mode it will play dial tone instead of returning to idle Auto Handdown Time Wait time before the phone performs the Auto Handdown behavior described above Enable Auto Redial If enabled the phone will automatically redial a call if a busy tone is received Auto Redial Interv...

Page 36: ...of the new caller will be displayed Press HOLD button to place existing call on hold and answer new call Press HOLD again to return to first call Enable 3 way Conference If enabled allows 3 way conference Accept Any Call If enabled the phone will accept a call even if the called number does not belong to the phone Enable Call Completion This is similar to Auto Redial except that the phone detects ...

Page 37: ...e will not dial any 4 digit numbers beginning with 4 It will dial numbers beginning with 4 which are longer or shorter than 4 digits 5 3 4 3 DIAL PLAN This phone supports 7 dialing modes 1 End with Dial the desired number and press to send it to the server 2 Fixed Length The number will be sent to the server after the specified number of digits are dialed 3 Time Out Number will be sent to the serv...

Page 38: ...and can have a value of 0 to 9 seconds Tn must be the last 2 characters of a dial plan If Tn is not specified it is assumed to be T0 by default on all dial plans Cause extensions 1000 8999 to be dialed immediately Cause 8 digit numbers beginning with 9 to be dialed immediately Cause 911 to be dialed immediately Cause 99 to be dialed after 4 seconds Cause any number beginning with 9911 to be dialed...

Page 39: ...t phone numbers Ring Type Ring type for this contact Add Contact Name Contact name Office Number Contact phone numbers Ring Type Ring type for this contact Import Contact List Select File Click the browse button to select the phonebook file to import Then click the update button and the selected file will be added to the phone File must be xml vcf or csv format ...

Page 40: ...cts to vcf file Blacklist Settings Type Select the blacklist type number or prefix Value Input number or prefix Line Select the sip line Note The maximum capability of the phonebook is 500 contacts Note x and are special characters in the black list x matches any single digit and matches any number of digits For example 4xxx matches any 4 digit number beginning with 4 6 Matches any digit string be...

Page 41: ...the SubType from the following options None Message Wait Indication MWI Do Not Disturb DND Hold Transfer Phone Book Redial Auto redial on Auto redial off Call Forward History Flash Headset Call Back 5 3 6 Maintenance 5 3 6 1 Auto Provision The phone supports PnP DHCP and Phone Flash to obtain configuration parameters They will be queried in the following order when the phone boots DHCP PnP server ...

Page 42: ... method the configuration will not be upgraded unless it differs from the current configuration Common Config Version Show the common config file s version If the configuration downloaded and this configuration are the same the auto provision will stop If the endpoints confirm the configuration by the Digest method the configuration will not be upgraded unless it differs from the current configura...

Page 43: ...r Address PnP Port PnP Server Port PnP Transport PnP Transfer protocol UDP or TCP PnP Interval Interval time for querying PnP server Default is 1 hour Phone Flash Settings Server Address Set FTP TFTP HTTP server IP address for auto update The address can be an IP address or Domain name with subdirectory Protocol Type Specify the Protocol type FTP TFTP or HTTP Config File Name Specify configuration...

Page 44: ...ficant condition 6 Informational Normal daily messages 7 Debug Debug messages normally used by system designer This level can only be displayed via telnet Syslog Configuration Field Name Explanation Syslog Settings Server IP Syslog server IP address Server Port Syslog server port MGR Log Level Set the level of MGR log SIP Log Level Set the level of SIP log Enable Syslog Enable or disable syslog We...

Page 45: ...eld Name Explanation Web Update Web Update Browse to the config file and press Update to load it to the phone Various types of files can be loaded here including firmware ring tones local phonebook and config files in either text or xml format TFTP FTP Update Server Address FTP TFTP server address for download upload The address can be IP address or Domain name with subdirectory User FTP server Us...

Page 46: ...d 4 PhoneBook import vcf csv xml Download phonebook file from FTP TFTP server Protocol Select FTP TFTP server 5 3 6 5 Access User accounts can be added or deleted from this page The authority of accounts can also be changed Access Configuration Field Name Explanation LCD Menu Password Settings Menu Password Sets the password for entering the setup menu from the phone keypad The password must be on...

Page 47: ...quire a reboot to become effective Clicking the Reboot button will cause the phone to reboot immediately Note Be sure to save the configuration before rebooting 5 3 7 Security 5 3 7 1 WEB FILTER WEB Filter The Web filter is used to limit access to the phone When the web filter is enabled only the IP addresses between the start IP and end IP can access the phone Field Name Explanation Start IP Addr...

Page 48: ...o this phone input rule or prevent unauthorized devices connected to this phone from accessing the Internet output rule Each rule type supports a maximum of 10 items Field Name Explanation Enable Input Rules Enable rules limiting access from the Internet Enable Output Rules Enable rules limiting access to the Internet Input Output Specify if the current rule is input or output Deny Permit Specify ...

Page 49: ...a connected device tries to access 192 168 1 118 the phone will deny the request because of the out_access rule Access to any other IP address will be allowed Click the Delete button to delete the selected rule 5 3 8 Logout Click Logout to exit the phone web page 5 4 Settings via Phone s Keyboard 5 4 1 Procedure Use the Menu key to begin configuration from the keypad Use the Up Down key to browse ...

Page 50: ...5 CPU Broadcom SDRAM 8MB Flash 2MB Dimension L x W x H 20 X 18 5 X 19 3cm Weight 0 99kg 6 1 2 Voice Features Supports 2 SIP servers Supports RFC3261 Codecs G 711A u G 723 1 high low G 729a b G 722 G 726 Codec Setting per SIP line Echo cancellation G 168 Compliance in LEC additional acoustic echo cancellation AEC can reach 96ms max filter length in hands free mode Supports Voice Gain Setting VAD CN...

Page 51: ...ol features Flexible dial plan Hotline Anonymous Call Reject Black List Reject Authenticated Call Approved Caller List Limit Call Do Not Disturb Caller ID CLIR reject anonymous call CLIP make anonymous call Dial without Registration Phonebook 500 records Incoming Calls Outgoing Calls Missed Calls Max of 300 Records Each Supports vCard XML CSV 4 DSS keys Time Display 12 24 Hour Support Daylight Sav...

Page 52: ...DNS and Secondary DNS Supports DNS via DHCP or Static DNS Supports DHCP client on WAN QoS with DiffServ Network Tools in Telnet Server Ping Trace Route Telnet Client 6 1 4 Maintenance and management Firmware Upgrade POST HTTP FTP TFTP Configuration Web Telnet Two Account Levels Supports Syslog Supports Auto Provisioning Firmware Upgrade Auto Provisioning ...

Page 53: ... 53 6 2 Digit character map table Keypad Character Keypad Character 1 7 P Q R S p q r s 2 A B C a b c 8 T U V t u v 3 D E F d e f 9 W X Y Z w x y z 4 G H I g h i 5 J K L j k l 0 6 M N O m n o send ...

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