You’ll want to download the file in binary format, to ensure that it is not corrupted. Expect to pay $8-$15 for a Smartnet contract.ī – You should have a comfort level with basic networking concepts and TFTP setup/administration.įollow these steps to enable SIP functionality:ĭownload these files from Cisco SIP IP Phone 7940/7960 Software ( registered customers only) and place them in the root directory of your TFTP server (tftpboot on a UNIX machine): Once you have a registered Smartnet, you can obtain CCO login credentials and access the firmware downloads section of Cisco’s website. The easiest way to obtain a CCO login is to purchase a Smartnet maintenance contract for your Cisco IP phone from an authorized Cisco reseller. This functionality is transparent to the end user, and you enable it through changes to the basic text−based configuration files that the phones download from a Trivial File Transfer Protocol (TFTP) server.Ī – You’ll need a CCO login for in order to obtain the latest SIP firmware. This is possible because they load different firmware versions on bootup. The process may be slightly different depending upon the specific model of Cisco IP phone you are working with.Ĭisco 7940/7960 IP phones can support either the Skinny Call Control Protocol (SCCP), Session Initiation Protocol (SIP), or the Media Gateway Control Protocol (MGCP), but not more than one simultaneously. While this is not a particularly difficult procedure, it can be frustrating for those who have never attempted the process.įor the purposes of this exercise, we’re using a Cisco CP-7960G. If you are running Asterisk, Trixbox, Switchvox or any other standards-based SIP platform or hosted service, you’ll need to migrate your Cisco phone(s) from their native SCCP (skinny) load to SIP in order to use them. By default, Cisco ship their phones from the factory pre-loaded with their proprietary SCCP protocol firmware (also commonly referred to as “skinny”). Cisco IP Phones are amongst the most popular desktop IP phones out there.
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