Hello
I have actual router cisco 2851 Vsec with ip phone 7911, and your data as eol 7911 and eos, I opted to the 7821 purchase, it ties my not compatible with the 2851 CME router
thank you help me find a solution to the integrated IP phone on the 7821 router 2851vsec
attached file cisco router configue 2851vsec
thank you to answer me is really urgent
Best regards
Ryad