Cortelco 2757 manual Firmware Update, Upgrade Procedure

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5 Firmware Update

5.1 Upgrade Procedure

The system software used by the 2757 can be updated 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.

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Contents VoIP Phone Users Guide Table of Contents 10.1 Recover from Unsuccessful Firmware Update Features Package ContentsBasic Setup Page Static IP Address Network SetupPage Described above to enter the subnet mask PPPoE Page Page Page Dhcp Page Display IP Address Network Setup Web ConfigurationWeb Interface Network Configuration Page Page SIP Server Information Setup Page Page Page SIP Server Information Setup Web Configuration Page Accepting phone calls Accepting and Making Phone CallsIn-Call Options Transfer TrfrAttended Transfer Blind Transfer 2.2 3-wayPage Line HoldMaking phone calls Caller ID on Call Waiting Calling History Received Calls Missed CallsPlaced Calls Unanswered CallsPlacing Calls Call Rejection DNDReceiving Calls Speakerphone and HeadsetHeadset Speed DialCall Forwarding Advanced SettingsRing Volume Handset Volume/Handsfree Volume/Headset VolumeForward Timer End of Dial KeyEntry of Call Forward numbers from phone Set Time ZoneNTP Server Address Web Interface Phone Book ManagementPhone Interface Page LCD screen Browse System InformationClick ‘Status’ Page Change Display Language Change Ringer Type Adjust the Contrast of LCD Screen Page Reboot the IP Phone Click on ‘Management’ Factory Reset Click ‘Management’ Change Password for the Web Interface Troubleshooting Upgrade Procedure Firmware UpdateRecover from Unsuccessful Firmware Update