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Cortelco 2757, User Manual

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2.    Press ‘Up’ or ‘Down’ until ‘3. Settings’ is selected, then press ‘Select’. 

 

 

3.    Press ‘Up’ or ‘Down’ until ‘3. Contrast’ is selected, then press ‘Select’.   

 

 

4.    Press ‘Up’ to make the displayed messages darker.    Press ‘Down’ to make the displayed 

messages lighter.    Press ‘Save’ keep the new settings. 

 

 

 

Summary of Contents for 2757

Page 1: ...Rev 1 0 2757 VoIP Phone Users Guide ...

Page 2: ... Web Configuration 25 2 7 Accepting and Making Phone Calls 27 2 7 1 Accepting phone calls 27 2 7 2 In Call Options 28 2 7 2 1 1 Attended Transfer 29 2 7 2 1 2 Blind Transfer 30 2 7 2 2 3 way 30 2 7 2 3 Line 2 32 2 7 2 4 Hold 32 2 7 3 Making phone calls 32 2 8 Caller ID on Call Waiting 33 2 9 Calling History 34 2 9 1 Missed Calls 35 2 9 2 Received Calls 35 2 9 3 Placed Calls 35 2 9 4 Unanswered Cal...

Page 3: ... 3 8 Ring Tone Type 39 3 3 9 Voice Codec 39 3 3 10 Forward Timer 39 3 3 11 Do Not Disturb 39 3 3 12 Set Time Zone 40 3 3 13 NTP Server Address 40 3 4 Entry of Call Forward numbers from phone 40 3 5 Phone Book Management 41 3 5 1 Web Interface 41 3 5 2 Phone Interface 42 3 6 Browse System Information 44 3 6 1 LCD screen 44 3 6 2 Web Interface 45 3 7 Change Display Language 47 3 8 Change Ringer Type...

Page 4: ... 1 Phone Interface 53 3 11 2 Web Interface 54 3 12 Change Password for the Web Interface 55 4 Troubleshooting 56 5 Firmware Update 57 5 1 Upgrade Procedure 57 5 2 Recover from Unsuccessful Firmware Update 58 ...

Page 5: ...mmunication and management Among the protocols supported are TFTP FTP RTP SNTP HTTP SIP DHCP PPPoE and Telnet Quality of Service QoS Support Headset and speakerphone for hands free operation Standard numeric keypad 0 9 and with built in DTMF tone generator allowing access to on line banking services voice mail systems etc Large clear display Ergonomic handset Five speed dial keys Configuration via...

Page 6: ... that the stand can be installed in two different positions to change the angle of the phone 4 Connect one end of the handset cable to the handset Note that the handset cable is not symmetrical Connect the end with the shorter flat portion to the handset 5 Insert the other end of the handset cable to the handset jack on the phone as shown below Note that the handset cable is not symmetrical Connec...

Page 7: ...age Waiting LED the bar shaped LED located above the LCD will light in red The phone will try to obtain an IP address for 2 to 3 minutes After this the Message Waiting LED will go out the Loading message will disappear and the phone will stop trying to obtain an IP address 7 2 If an IP address is obtained you will see screen shown below If you do not see this message please check the network cable...

Page 8: ...8 2 Network Setup 2 1 Static IP Address 1 Press Menu 2 Press Up or Down until 3 Settings is highlighted then press Select 3 Press Up or Down until 4 System Configuration is selected then press Select ...

Page 9: ... press Select You will be prompted to enter an IP address Use the numeric keypad to input this address Use the key to input the period For example to input the IP address 192 168 4 50 press the following keys 192 168 4 50 When entering an IP address you can erase digits by pressing Clear When you have finished entering the IP address press Save or press Cancel to discard ...

Page 10: ...ress Select You will be prompted to input the IP address of the router on your local network 8 Setting the DNS IP Address is the last step for a static IP setup Press Up or Down until 5 DNS Server 1 Static is selected and enter the IP address of the DNS server here NOTE You can set a secondary DNS Server IP address by moving to item 6 DNS Server 2 Static At least one DNS Server is required to make...

Page 11: ...p or Down until 20 Commit Changes is selected then press Select When Changes saved is displayed on the LCD screen all the settings are saved 11 To reboot the 2757 press Down to move to 21 Reboot System and press Select Rebooting will appear on the LCD screen After the reboot is completed the 2757 is ready for use 2 2 PPPoE When using PPPoE an IP address will be issued to your 2757 phone by your In...

Page 12: ...ntil 3 Settings is selected then press Select 3 Press Up or Down until 4 System Configuration is selected then press Select 4 Press Select on 1 Network Setting Use Up or Down to change network setting to PPPoE Then press Save ...

Page 13: ...2 seconds If the time period is longer than 2 seconds the cursor will move right and you can enter a new character To erase a character press Clear When you finish entering the PPPoE username press Save or press Cancel to discard You can input up to 40 characters 6 Now press Down until 8 PPPoE Password is selected and press Select You will be prompted to enter a PPPoE password Use the method descr...

Page 14: ...ease move to Section 2 5 to enter your SIP server information 9 If you only need to change the network settings but don t need to change the SIP server information i e this is not an initial setup you must save the new network settings and reboot the 2757 To save the new network settings press Up or Down until 20 Commit Changes is selected then press Select When Changes saved is displayed on the L...

Page 15: ...booting will appear on the LCD screen After the reboot is completed the 2757 is ready for use 2 3 DHCP When using DHCP an IP address will be issued to your IP phone by the DHCP server on your local network 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select ...

Page 16: ... 2 5 for SIP server setup information 6 If you only need to change the network settings but don t need to change the SIP server information i e this is not an initial setup you must save the new network settings and reboot the 2757 To save the new network settings press Up or Down until 20 Commit Changes is selected then press Select When Changes saved is displayed on the LCD screen all the settin...

Page 17: ...ady for use 2 4 Network Setup Web Configuration You can also configure the network by using a web browser In order to do this you must first know the IP address of the 2757 If you are using PPPoE or DHCP please follow the instructions below to get the IP address 2 4 1 Display IP Address 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select ...

Page 18: ... three times to return to the main menu 2 4 2 Web Interface Network Configuration 1 Use a web browser to connect to the IP address of the IP Phone For example if the IP Phone s IP address is 192 168 4 50 type http 192 168 4 50 in the browser s address bar A login window will then appear The default username is admin and the password is blank do not put anything in password field ...

Page 19: ...ck Network on the left 3 On this screen you can choose the connection mode static IP PPPoE or DHCP enter the IP address in static IP mode and enter PPPoE username and password You can also enable the VLAN function After entering the desired settings you must click Submit at the bottom of the web page To discard the settings click Cancel ...

Page 20: ...ation Commit Reset tab Press COMMIT When the Configuration OK message appears the network settings have been saved 5 Now click Management again Then click the System Restart tab and click RESTART The 2757 will reboot After about 1 minute it will be ready for use ...

Page 21: ... After the network setup is completed the SIP server information must be entered 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select 3 Press Up or Down until 4 System Configuration is selected then press Select ...

Page 22: ... discard 5 Press Down until 15 SIP PortNum is selected then press Select Enter the SIP server s port number By default this is 5060 After the Port Number is entered press Save to keep changes or Cancel to discard 6 Press Down until 16 SIP Username is selected then press Select Use the numeric keypad to enter your SIP username After the SIP Username is entered press Save to keep changes or Cancel t...

Page 23: ...rd 8 Press Down until 18 SIP Password is selected then press Select Use the numeric keypad to enter your SIP phone number After the SIP Password is entered press Save to keep changes or Cancel to discard NOTE The SIP password is hidden by a series of when it is not being edited 9 Press Down until 19 Codec is selected then press Select Use Up or Down to select a codec Press Save key to store the se...

Page 24: ...hanges is selected then press Select When Changes saved is displayed on the LCD screen all the settings are saved 11 Press Down to move to 21 Reboot System and press Select Rebooting will appear on the LCD screen After the reboot is completed the 2757 is ready for use ...

Page 25: ... and passwords Please refer to Section 2 4 2 to access the web interface Then follow these instructions 1 Click SIP link on the left 2 You can enter the SIP proxy server s IP address and port here Also you can enter up to 4 sets of SIP phone number username and password 3 After all the information has been entered click Submit to store it or click Cancel to discard ...

Page 26: ...Commit Reset tab and press COMMIT When you see Configuration OK the network settings have been properly saved 5 Click Management Click System Restart tab and then click RESTART button After the 2757 reboots it will be ready with the new network settings ...

Page 27: ...ing phone calls Before you can receive phone calls your phone must be registered to a SIP server You will see the message below on the LCD screen when the phone is registered If the phone is not registered to a SIP server you will see Initializing SIP displayed on LCD screen If you see this message please check your network cables and settings again ...

Page 28: ... or press Answer During the call a timer will be displayed on the LCD screen It will start from 00 00 00 and will show the total time elapsed during the call 2 7 2 In Call Options Several options are available on the soft keys below the LCD screen They are described below 2 7 2 1 Transfer Trfr Transfer current call to another phone Ask the remote party to remain online do not hang up the phone Pre...

Page 29: ... the transfer begins the transfer and then drops off The transfer is then completed 2 7 2 1 1 Attended Transfer To use attended call transfer dial another phone number and you will see the following message on the LCD screen Once the connection is made you will see the following message Once the remote party has agreed to the transfer press Trfr and the transfer will be completed If the transfer f...

Page 30: ...ed If a blind transfer fails the call cannot be retrieved 2 7 2 2 3 way To create a 3 way conference ask the remote party to remain online Press 3 way You will hear dial tone in the handset and see the following message on the LCD screen Now dial the phone number of the third party You will see the following message displayed on the LCD screen You may return to the original call by pressing Back b...

Page 31: ...ond party will return as a new call Press Answer to resume this call This will also happen if you dial an invalid number for the third party If the third party agrees to the conference press 3 way You will see the following message displayed on the LCD screen and the 3 way conference will be established Either the second or third party may drop off the conference at any time and the call between t...

Page 32: ...l place your remote party on hold so that they cannot hear anything To resume the call press Back 2 7 3 Making phone calls If you have registered multiple SIP phone numbers select one by pressing the a line key Lift the handset and dial the phone number Normally the phone will wait 5 seconds before transmitting the digits If you wish to dial immediately press the key after dialing If you dialed th...

Page 33: ...by your ISP or VoIP PBX When you are on a call and receive another call you will hear a notification tone and the LCD will show the calling number To accept the incoming call press flash This will place the existing call on hold If you hang up the phone while you have a call waiting the waiting call will become as a new call The phone will make a tone to alert you that you have a call You can acce...

Page 34: ...calling history database You can check for outgoing calls incoming calls and missed calls 1 Press Menu 2 Press Up or Down 2 until Call Records is selected then press Select 3 Use Up and Down to select a call record type Press Select to view them ...

Page 35: ... You can press Dial to call the selected number Delete to delete a selected number or Exit to return to the previous menu 2 9 3 Placed Calls All dialed phone numbers will be listed here You can press Dial to call the selected number Delete to delete a selected number or Exit to return to the previous menu 2 9 4 Unanswered Calls If a call is unanswered the following message will be displayed on the...

Page 36: ...or 3 4 If this is set all calls will forward to this number Calls can still be made when in the DND mode To deactivate DND press DND again The icon will disappear 2 11 Speakerphone and Headset Calls may also be placed using speakerphone or headset This provides a hands free phone operating environment 2 11 1 Speakerphone 2 11 1 2 Placing Calls Press SPEAKER After hearing dial tone dial the number ...

Page 37: ...s HEADSET to make and receive calls 3 Speed Dial Advanced Phone Configuration 3 1 Speed Dial The 2757 has 5 speed dial buttons A phone number may be programmed to each speed dial button The web interface must be used to set a phone number for a speed dial button Refer to Section 2 4 to open a web connection to the 2757 1 Click the System link ...

Page 38: ...1 Busy An incoming call will be transferred to this number if the 2757 is busy or if DND is activated 3 2 2 No Answer An incoming call will be transferred to this number if the call is not answered 3 2 3 Unconditional All incoming calls will be transferred to this number 3 2 4 DND The number to which incoming calls will be transferred when DND is activated 3 3 Advanced Settings CAUTION These setti...

Page 39: ...ing Volume Allows adjustment of ringer level Numbers from 0 to 10 are allowed Higher numbers are louder 3 3 7 Silence Suppression When enabled the 2757 will not transfer data when there is no voice detected from the microphone This can be useful to reduce the required network bandwidth However it can cause the voice quality to degrade 3 3 8 Ring Tone Type The 2757 offers 5 different ringtones 3 3 ...

Page 40: ...signals from a Network Time Protocol NTP server Enter a valid NTP server address here 3 4 Entry of Call Forward numbers from phone Call forwarding numbers can also be set from the phone 1 Press Menu Use Up and Down to select the third item 3 Settings Press Select key 2 Select System Configuration using Up Down and Select ...

Page 41: ...umber using the keypad Press Save to save changes Press Clear to erase a number or press Cancel to keep the original number unchanged 3 5 Phone Book Management 3 5 1 Web Interface The web interface must be used to enter frequently dialed numbers into the phone book 1 Click Phone Book link ...

Page 42: ...ter entering the number and the name press Add to save the entry To delete an existing entry enter the phone number in the Number field and then press Delete 3 5 2 Phone Interface Existing phone book entries can be accessed from the 2757 1 Press Menu Then press Select on the first item 1 Phone Book ...

Page 43: ...ter selecting a phone book entry press Dial to dial the phone number or Exit to return to the previous menu 4 To delete an entry press Del Be sure you wish to delete the entry because it will be deleted immediately 5 If a call is received from someone in the phone book their phone book name will be displayed ...

Page 44: ...mpted to press 1 or 2 key 1 for YES and 2 for NO 3 6 Browse System Information System information IP address model information firmware version etc can be displayed using either the web interface or the LCD screen 3 6 1 LCD screen 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select ...

Page 45: ...ss Up or Down until 5 Model Information is selected then press Select 4 All system related information will be displayed here Press Up and Down to browse and press Exit to end 3 6 2 Web Interface 1 Click Status ...

Page 46: ...46 2 Network related system settings will be displayed 3 Click the Version Information tab and firmware related information will be displayed ...

Page 47: ...of the 2757 is English However it can be changed to Chinese 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select 3 1 Language should be selected when this menu is entered If not use Up or Down to select it then press Select key ...

Page 48: ... to select the desired language and press Select Press Exit to leave this menu without making any changes 3 8 Change Ringer Type Ring tones can be changed from the LCD screen as well as from the web interface See Section 3 3 8 for web interface 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select ...

Page 49: ...ct 4 All available ring tones will be listed here Use Up Down and Select key to choose a ring tone Press Exit to return to the previous menu after making a selection A V will appear on the currently selected ring tone 3 9 Adjust the Contrast of LCD Screen 1 Press Menu ...

Page 50: ...ttings is selected then press Select 3 Press Up or Down until 3 Contrast is selected then press Select 4 Press Up to make the displayed messages darker Press Down to make the displayed messages lighter Press Save keep the new settings ...

Page 51: ...3 10 Reboot the IP Phone 3 10 1 Phone Interface 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select 3 Press Up or Down until 4 System Configuration is selected then press Select ...

Page 52: ...52 4 Press Up or Down until 21 Reboot System is selected and press Select Press Exit key to return to the previous menu 3 10 2 Web Interface 1 Click on Management ...

Page 53: ...l display Phone is restarting The 2757 will be ready again in approximately 1 minute 3 11 Factory Reset All stored settings can be erased by resetting the 2757 to factory defaults 3 11 1 Phone Interface 1 Press Menu 2 Press Up or Down until 3 Settings is selected then press Select ...

Page 54: ...on is selected Then press Select 4 Press Up or Down until 22 Factory Default is selected Then press Select to restore the default settins Press Exit key to return to the previous menu without making any changes 3 11 2 Web Interface 1 Click Management ...

Page 55: ...Web Interface The web login password can be changed Connect to the 2757 with the web interface then follow the instructions below 1 Click Management 2 At the Password Configuration screen enter your current password and then enter the new password twice 3 Press Submit To exit without changing the password close the web browser or click another link in the configuration web page ...

Page 56: ... cable and reconnect after 10 seconds I can not hear dialtone Replace the cord between the 2757 and the handset with a new one Press SPEAKER If dialtone is heard replace the handset Check the volume setting Try increasing it I can hear dialtone in the handset but I can not place accept phone call If busy tone is heard in the handset the remote party may be busy not online or not at the dialed numb...

Page 57: ...ted when a newer version is available Please go to www cortelco com to check for a new version of firmware The following information will be needed to upgrade TFTP FTP server address Image file name username for FTP only password for FTP only 1 Click Management Then click Firmware Update tab ...

Page 58: ...sful Firmware Update If the download fails the 2757 may malfunction If this happens use the following instructions to restore it to a normal state 1 Reboot the 2757 per Section 3 10 If that does not work disconnect the power cord and reconnect it after 10 seconds 2 You should see Loading on the LCD Both the headset and mute key will illuminate for 2 seconds After this press the key twice and the o...

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