https://community.cisco.com/t5/wireless/converting-a-cisco-ip-7920-for-sip/m-p/2917075#M174104 <P></P> <P>Read <A href="https://supportforums.cisco.com/discussion/11733926/when-will-7921g7925-support-sip">THIS</A>.</P> Sun, 13 Mar 2016 05:39:38 GMT Leo Laohoo 2016-03-13T05:39:38Z https://community.cisco.com/t5/wireless/converting-a-cisco-ip-7920-for-sip/m-p/2917074#M174103 <P>Hi,</P> <P></P> <P>I have a Cisco IP 7920 and I think I need to upgrade the firmware to use SIP (Asterisk). Can someone tell me where I can get the firmware and instructions to upgrade this phone?</P> <P></P> <P>Thanks,</P> <P></P> <P>Scott</P> Mon, 05 Jul 2021 11:46:09 GMT https://community.cisco.com/t5/wireless/converting-a-cisco-ip-7920-for-sip/m-p/2917074#M174103 scott.taub 2021-07-05T11:46:09Z https://community.cisco.com/t5/wireless/converting-a-cisco-ip-7920-for-sip/m-p/2917075#M174104 <P></P> <P>Read <A href="https://supportforums.cisco.com/discussion/11733926/when-will-7921g7925-support-sip">THIS</A>.</P> Sun, 13 Mar 2016 05:39:38 GMT https://community.cisco.com/t5/wireless/converting-a-cisco-ip-7920-for-sip/m-p/2917075#M174104 Leo Laohoo 2016-03-13T05:39:38Z