DTMF negotiated = 96 not working on CUBE.

[Ritesh Desai]

Hi folks,

Sudden issue is reported by client that reports "DTMF tones not detected when dialed from LL calls. DTMF tones are detected if dialed from Mobile phone. I'd deep dive into cssip all debugs and found that in both the scenarios (LL & mobile calls) Preferred and negotiated DTMF is 96 i.e. dynamic NTE payload.

On CUBE Inbound dial-peer we have pre-configured commands since system was deployed.

#dtmf-relay rtp-nte

#rtp payload-type nte 96

Using #deb voip rtp session named-events command, i see PT-96 is negotiated.

Please suggest what should I look at? Am I missing something?

thanks,

Ritesh Desai.

[Anthony Holloway]

What is being negotiated on both side of CUBE? Was this working before? What changed recently? Can you produce an actual show run output of your dial-peer configuration, as well as proof of which two dial-peers are being used? E.g., show call active voice or debug voip ccapi inout

[Ritesh Desai]

Dear Anthony,

Thanks for helping hand. Answers to your questions;

What is being negotiated on both side of CUBE? Dtmf-relay Payload: 96 (tx), 96 (rx)

Was this working before? yes.

What changed recently? Nothing from CUBE side. Sure from far-end. this issue arise few days before.

Can you produce an actual show run output of your dial-peer configuration, as well as proof of which two dial-peers are being used? E.g., show call active voice or debug voip ccapi inout. I have taken ccsip all logs and filtered traces for your reference. Refer attached traces / configuration.

thanks & regards,

Ritesh

[Ritesh Desai]

Dear Anthony,

I would like to understand how should I trace DTMF input in "debug ccsip all" output.  from the above comment, in attached file, if you look into logs, "DTMF = 6" and "codec negotiated = 6". so I'm confused should I understand that customer pressed DTMF 6?

Please guide me.

thanks & regards,

Ritesh Desai.

[Ritesh Desai]

Dear Anthony,

I would like to understand how should I trace DTMF input in "debug ccsip all" output.  from the above comment, in attached file, if you look into logs, "DTMF = 6" and "codec negotiated = 6". so I'm confused should I understand that customer pressed DTMF 6?

Please guide me.

thanks & regards,

Ritesh Desai.