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Dropping Voice Calls

Dear all,

We have voIP between two sites, connected over MPLS and voice calls drop now and then. We use Avaya for Voice boxes and Cisco routers/switches elsewhere. QoS is configured on both ends of the MPLS to prioritize voice packets and I do not see any drops in the voice packets at both the ends under "sh policy-map interface" command.

I am new to Voice and wondering where to start the troubleshooting.

Any help is appreciated.

Thank you,

Mohan

2 REPLIES
Bronze

Re: Dropping Voice Calls

Paste you Sh run and Sh ver, could you update when the call is dropped [after pickup the call, the call get dropped or in conversation the call get dropped].

If your call get dropped after pickup, it is due to codec mismatch.

Super Bronze

Re: Dropping Voice Calls

Are you providing QoS just for the voice bearer traffic or do you also provide special handling for voice control traffic?

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