I created an extended access list and allowed a single mac address in a conference room, so only the VoIP phone will have access with a deny any any at the end.  It did not work, so I removed all permits from the list and just have a single deny any ...

I have a Nortel phone system and we are evaluating CUCM.   We setup a SIP trunk from the CUCM to the Nortel which is connected to a PRI, and I can dial local calls, but when I call my Cell phone, my cell rings, but all I hear is silence on my Cisco p...