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How to disable some codec type in 3660 VoIP gateway for incoming calls,

kassa
Level 1
Level 1

I am terminating voip traffic and using 3662 and would like to limit acceptable codecs to G723 while the originators select their prefered one G729,

so Please let me know :

How to limit acceptable codec types for incoming calls ?

Thanks,

Kassa

1 Accepted Solution

Accepted Solutions

net-sol
Level 1
Level 1

voice class codec 1

codec preference 1 g723ar63

codec preference 2 g723ar53

codec preference 3 g723r63

codec preference 4 g723r53

codec preference 5 g729br8

codec preference 6 g729r8

codec preference 7 g726r16

codec preference 8 g728

codec preference 9 g726r24

codec preference 10 g726r32

!

dial-peer voice 1001 voip

incoming called-number .

voice-class codec 1

dtmf-relay h245-signal

!

When call comes to your router it will be matched with the following codecs, if you just want to use G723 remove others from the list.

HTH

View solution in original post

2 Replies 2

mchin345
Level 6
Level 6

The information which you are looking for could be found in the following documents.

Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation

http://www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a00800b6710.shtml

White Paper: Audio Codecs and Cisco Unity

http://www.cisco.com/en/US/products/sw/voicesw/ps2237/prod_technical_reference09186a00800875b7.html

Hope this helps.

net-sol
Level 1
Level 1

voice class codec 1

codec preference 1 g723ar63

codec preference 2 g723ar53

codec preference 3 g723r63

codec preference 4 g723r53

codec preference 5 g729br8

codec preference 6 g729r8

codec preference 7 g726r16

codec preference 8 g728

codec preference 9 g726r24

codec preference 10 g726r32

!

dial-peer voice 1001 voip

incoming called-number .

voice-class codec 1

dtmf-relay h245-signal

!

When call comes to your router it will be matched with the following codecs, if you just want to use G723 remove others from the list.

HTH

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