- Cisco SIP Configuration. Cisco 7911G/7942/7945/7962 Phone with Asterisk Download the firmware (7911,7942, 7945, 7962) and extract it. Download and install/extract the tftp server software. Open the tftp server software a.
- Go to Cisco Download Page and get the required SIP firmware files. Make sure you download the right SIP firmware for your phone model in a ZIP package. Below is a screenshot showing the 8.5.2 version firmware package for 7911 IP phone.
- Understanding the Cisco Unified IP Phones 7906G and 7911G The Cisco Unified IP Phones 7906G and 7911G are basic IP phone designed for cubicles, classrooms, factory floors, warehouses, lobbies, and any other location where the phone either complements the user’s set of communication devices or is seldom used.
Cisco 7911 Sip Firmware Upgrade
IP Phone Cisco 7911G - IP Phone VoIP Phone Manual Unified ip phone for cisco unified communications manager 7.0 (sccp and sip) (84 pages) Summary of Contents for Cisco 7911. Cisco 7941/7961 SIP Phone Software Images. Cisco‘s SIP phone range now includes the 7941/7961, as new firmware v8.0(1) came out for these that supports SIP in March 2006. Previously some v7.0 releases of SCCP had been released.
Cisco 7911G/7942/7945/7962 Phone with Asterisk
Download the firmware (7911 ,7942, 7945 , 7962) and extract it.
Download and install/extract the tftp server software.
Open the tftp server software and make the SIP firmware extracted directory as the root directory of the tftp server.
Goto command prompt(Start>Run>CMD and press enter) and enter the following command.
C:Usersuser>tftp <tftp-server-ip-address> get dialplan.xml
You should get the message starting “Transfer Successful”.(If your OS is Win7/Vista you have to install tftp client from the Add/Remove Programs)
Open your dhcp server configuration and add TFTP server IP address as the boot server in DHCP scope Options. Refer this article to configure DHCP Options.
Rename the with SEP<MAC-ADDRESS-OF-YOUR-PHONE>.cnf.xml. Then open that file and change the following lines to match with your IP PBX details.
Edit your Asterisk SIP configuration and add nat = no below the user context.
This step is important otherwise the phones will not register and on the phone’s display you can see the message Registering..
Cisco 7911g Sip Firmware Download
If you are using FreePBX the file will be /etc/asterisk/sip_additional.conf, In the case of Asterisk-GUI file is /etc/asterisk/users.conf