Using Cisco 7900/8800/9900 phones

This page reorganizes the operational steps for Using Cisco 7900/8800/9900 phones.
Standard asterisk support for these legacy phones is not complete, so it is needed to apply a series of patches:
http://usecallmanager.nz/sip-conf.html
Current Verification
After applying the change, verify the related MiRTA PBX page, the Asterisk logs, and the relevant Status menu entry. Recheck tenant selection before testing tenant-specific behavior.