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DTMF Digits passing the Voice Gateway

kolkatagtc
Level 1
Level 1

‎10-13-2006 05:08 AM - edited ‎03-13-2019 03:23 PM

Hi,

iam using Cisco 3825 router where E1 circuits are connected. Need to check the DTMF digits passing when i am trying to connect to an IVR number and the options digits pressed.

How can I get that.

Help required.

Thanks in Advance.

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gogasca
Level 10
Level 10

‎10-13-2006 06:34 AM

Which VOIP protocol are you using?

If using MGCP check:

debug mgcp packet and look for NOTIFY messages. Check

mgcp dtmf-relay voip codec all mode out-of-band command is configured.

If H225 check dtmf-relay alphanumeric under VOIP dial-peers.

For checking debugs run debug h245 asn1

For TDM run:

debug voip vtsp tone

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