https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258022#M393471 <P>Hi Leo, I can't download the firmware from that link</P> Mon, 14 Dec 2020 12:25:01 GMT KenHenry0810 2020-12-14T12:25:01Z https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258012#M393469 <P>I have a CP-6921 which I would like to use on standard SIP. Can I change the firmware &amp; if so where would I download it from?</P> Mon, 14 Dec 2020 11:50:54 GMT https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258012#M393469 KenHenry0810 2020-12-14T11:50:54Z https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258016#M393470 <P>CP-6921 firmware can be found <A href="https://software.cisco.com/download/home/282622815/type/282074288/release/9.4(1)SR3" target="_self">HERE</A>.</P> Mon, 14 Dec 2020 12:05:03 GMT https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258016#M393470 Leo Laohoo 2020-12-14T12:05:03Z https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258022#M393471 <P>Hi Leo, I can't download the firmware from that link</P> Mon, 14 Dec 2020 12:25:01 GMT https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258022#M393471 KenHenry0810 2020-12-14T12:25:01Z https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258036#M393473 <P>you need to have valid contract to download the software. if not associated with your ID&nbsp; you cannot download it.</P> Mon, 14 Dec 2020 13:14:24 GMT https://community.cisco.com/t5/ip-telephony-and-phones/convert-a-cp-6921-to-standard-sip/m-p/4258036#M393473 Nithin Eluvathingal 2020-12-14T13:14:24Z