Dear Cisco
I have Cisco phones 7811,7821,8865 which are integrated with free PBX and i registered the extensions successfully but i am facing the issue that i cant see the recent call options or any missed call notification on phone, and also i tried to upgrade the software which is currently sip 78 xx. 11-5-1-18 want to downgrade to 10 series but not successful.
also i need that how i can put two different extensions on same IP phone
