Hi I am having an issue with my SIP connection whereby when a call goes in I can see everything is working correctly but when the call gets transferred to a call center agent the RTP stream is gone. When the call goes to the IVR it is working correct...

I am new here and am not sure if this is the write forum for my question. What could be the issue when a Cisco router 4331 has a working call flow between the gateway and the PABX. However as soon as the call routes to the phone am losing the traffic...

What could be the issue when a link connected to 2 WAN port IP 10.234.253.129 does not come up on the production router but works on a test router. The config on the 2 WAN port are okay.   ken-nai-edc-pe01#ping vrf voas001 10.234.253.129 rep 50 Type ...

Hi all,   I have a Cisco 4331 router and i don't have a small form-factor pluggable device to use the SFP port. Can i configure the management port as a Wan port?