About yanchunsheng

yanchunsheng · 04-16-2021

I would like to update firmware for 7821 IP phone with TFTP for test purpose. With my successful experiences of upgrading for 7911 with TFTP by press 123456789*0# to trigger firmware loading, 7821 can load new firmware from TFTP through XMLDefault.cn...

yanchunsheng · 04-16-2021

Awesome!!!!! That why I cannot find XMLDefault file however there are a lot of SEPMAC.xml file for each phone. You make me life easy, thanks a lot.

yanchunsheng · 04-16-2021

The SEPmacaddress.cnf.xml is the configuration file get from CUCM, I have tried to copy the file to TFTP folder, then phone get all the configuration which is same as my production environment. What you said means that I cannot upgrade my 7821 wit...

yanchunsheng · 04-16-2021

Yes, I did.

yanchunsheng · 04-16-2021

Below is my XMLDefault file <Default><callManagerGroup><members><member priority="0"><callManager><ports><ethernetPhonePort>2000</ethernetPhonePort></ports><processNodeName>172.25.192.72</processNodeName></callManager></member></members></callManage...

yanchunsheng · 04-16-2021

In TFTP logs we can see the phone is just read the XMLDefault xml file cyclically.

Member Since	‎10-24-2017 12:55 AM
Date Last Visited	‎04-23-2021 07:28 AM
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Cisco CP-7821 IP Phone doesn't load firmware from TFTP

Re: Cisco CP-7821 IP Phone doesn't load firmware from TFTP

Re: Cisco CP-7821 IP Phone doesn't load firmware from TFTP

Re: Cisco CP-7821 IP Phone doesn't load firmware from TFTP

Re: Cisco CP-7821 IP Phone doesn't load firmware from TFTP

Re: Cisco CP-7821 IP Phone doesn't load firmware from TFTP