DTMF tones are not recognising

[Devansh]

Hi All,

Issue

When users dials from cisco IP phone to third party contact center IVR menu,The DTMF tones are not getting recognise.

But when i dial from mobile phone it is working.

Call Flow

CUCM --> H323 gateway --> PSTN

The inbound Dial Peer on H323 gateway is

dial-peer voice 10000 voip
translation-profile outgoing JEFES
preference 2
destination-pattern 9[4-6]..
session target ipv4:10.66.64.54
incoming called-number .
dtmf-relay h245-alphanumeric
codec g711ulaw
fax rate disable

Outgoing dial Peer

dial-peer voice 10100 pots
tone ringback alert-no-PI
translation-profile outgoing SALIDA
preference 2
destination-pattern 0T
incoming called-number .
fax rate disable
direct-inward-dial
port 0/0/0:15
forward-digits all

[Suresh Hudda]

Which phone (model) you are using ?

Refer below thread, it may help you in this scenario.

https://supportforums.cisco.com/discussion/12958506/unable-select-call-inputs-cisco-ip-phone-during-call

Suresh

[Devansh]

We are using 7961.

[Suresh Hudda]

Okay, have you tried to change dtmf type as suggested in given supportforums link ?

Please attach below debug logs from h323 gateway.

debug voip rtp session named-event

Suresh

[Ayodeji Okanlawon]

Suresh,

We are not going to get anything from this debug because OOB DTMF is not carried in rtp.

Karunka,

Can we have the following please

debug voip ccapi inout

debug h225 asn1

debug h245 asn1

[Devansh]

Hi all,

please find attached logs

Calling Number 22089475

Called Number 00019196669283