I have a voice application behind my internet router 2621 with Nat. My question is my voice application cannot access the central site through my internet 2621. I find central site cannot receive the udp 1791 port after throubleshooting and I can confirm that the problem is caused by 2621. Who can help me?Thanks the following is the "show version" of 2621.
Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-I-M), Version 12.2(8)T5, RELEASE SOFTWARE (fc1)
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...