https://community.cisco.com/t5/ip-telephony-and-phones/9951-series-phones/m-p/4700544#M406182 <P>If you do not give us any specific information about your system landscape how would we be able to give you an answer on this?</P> Mon, 10 Oct 2022 04:55:41 GMT Roger Kallberg 2022-10-10T04:55:41Z https://community.cisco.com/t5/ip-telephony-and-phones/9951-series-phones/m-p/4700515#M406178 <P>I got a couple 9951 series phones brand new in boxes at a garage sale will they work at my place of business</P> Mon, 10 Oct 2022 01:28:10 GMT https://community.cisco.com/t5/ip-telephony-and-phones/9951-series-phones/m-p/4700515#M406178 Blondie 2022-10-10T01:28:10Z https://community.cisco.com/t5/ip-telephony-and-phones/9951-series-phones/m-p/4700517#M406179 <P>If you do not have any Cisco-based call management server, the phone will work with Asterisk-based call management server.&nbsp;</P> <P>To get this to work, you will need the following:&nbsp;</P> <OL> <LI>A known working SEPmacaddress.cnf.xml template.&nbsp; I have a known working SEPmacaddress.cnf.xml for a 9971 (<A href="https://community.cisco.com/t5/telepresence-and-video-infrastructure/cisco-9971/m-p/2871432/highlight/true#M75700" target="_self">LINK</A>) and it will have no problem working with a 9951.</LI> <LI><A href="http://philippe.jounin.pagesperso-orange.fr/tftpd32_download.html" target="_self">TFTPd64</A></LI> <LI>DHCP Option 150</LI> <LI>Dial plan</LI> <LI>Phone firmware</LI> </OL> Mon, 10 Oct 2022 01:43:06 GMT https://community.cisco.com/t5/ip-telephony-and-phones/9951-series-phones/m-p/4700517#M406179 Leo Laohoo 2022-10-10T01:43:06Z https://community.cisco.com/t5/ip-telephony-and-phones/9951-series-phones/m-p/4700544#M406182 <P>If you do not give us any specific information about your system landscape how would we be able to give you an answer on this?</P> Mon, 10 Oct 2022 04:55:41 GMT https://community.cisco.com/t5/ip-telephony-and-phones/9951-series-phones/m-p/4700544#M406182 Roger Kallberg 2022-10-10T04:55:41Z