SIP Troubleshooting: SIP to SIP Calls Do Not Play Ring Ringback Tone
SIP to SIP Calls Do Not Play Ring Ringback Tone
|Problem Summary||The ringback tone is not heard when a SIP to SIP call is placed.|
|Possible Cause||In high load situations, the playback of ringtone for many calls might over utilize the CPU processing of the gateway.|
|Recommended Action||In this case, it is necessary to use load balancing or configure the gateways to optimally distribute media termination of calls.
The following are some facts regarding ringtone:
Ringtone service and TCL configured on the Gateway. Dial-peer associated with ringtone service. Static routes to route calls from Unified CVP to the Gateway.
|Associated CDETS #||None.|