Dear all,I recently have an issue with our two 3845 routers running IOS 15.1(3)T3.They are not responding to any SIP message they received. If I enter the following command, they work fine for several hours and the issue happen again:sip-ua no transp...

Hello,I have Cisco 3845 on my network. We are VOIP company. Currently we have about 200 calls using G711 codec but CPU is about 50 -70%. Is that normal?Please check the information below. Any help will be appreciated. 3845#sh int | in packets/sec 5 m...

Hello everyone,I have a cal flow as below"Customer (H323 v3) --> (H323) GW 3845 (SIP) -->(SIP) Softswitch (SIP)--> PGW --> PSTNMy problem is when customer call telephone numbers of PSTN Carrier A, it has ringbacktone.But when calling PSTN Carrier B, ...