How to lock the ip phone cisco 7911?

Question

i want to avoid of using my ip phone by others so some locking methods like lock codes, passwords. model is cisco 7911,please help me on this.

Answer 1

I don't think this is an available feature of the Cisco 7911.  This is normally a feature of the phone system you use or your dial tone provider.  What type of system is the phone connected to?  The feature is called "forced authorization code" or "forced account code"