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-   -   CM DTMF not working on direct SIP to CMM 7.x (http://support.avaya.com/forums/showthread.php?t=13085)

hawles 11-21-2017 08:12 PM

CM DTMF not working on direct SIP to CMM 7.x
Hi all,

I have a CMM on the latest 7.0 and the CM is latest 7.1 as of 11/21/17. They have direct SIP integration. Internal and external calls to the CMM get through and you can hear it say welcome to Audix. Please enter your mailbox and press #. Digit tones (DTMF signalling) are not heard by the CMM. I followed the Implementation doc here: https://downloads.avaya.com/css/P8/documents/101014318. Issue happens whether you are on IP or analog phone. All other integration seems to be working. WMI lamps work. The CMM and CM are on s8300e AVP with 3 g450s for DSP/VOIP resources. The MGs are on latest firmware 38.20.1. What am I missing?

kumar1499 11-24-2017 05:21 AM

YOu may need to check below parameters between SIP signalling group on CM and switch link Administration on CMM

DTMF over IP

field is set to
on the Switch Link Admin form.

field is set to
on the Switch Link Admin form.

wellington35 12-04-2017 08:10 PM

Hawles did you get this working? or still need help?

filip36 05-17-2018 07:24 AM

Hallo! I have the same problem and i don't know how to resolve it. I have changed DTMF Parameters and there is no result.

hurdk 05-21-2018 11:45 AM


Group Number: 10 Group Type: sip
IMS Enabled? n Transport Method: tcp
Q-SIP? n
IP Video? n Enforce SIPS URI for SRTP? y
Peer Detection Enabled? y Peer Server: Others
Prepend '+' to Outgoing Calling/Alerting/Diverting/Connected Public Numbers? n
Remove '+' from Incoming Called/Calling/Alerting/Diverting/Connected Numbers? y
Alert Incoming SIP Crisis Calls? n
Near-end Node Name: procr Far-end Node Name: msgserver
Near-end Listen Port: 5060 Far-end Listen Port: 6060
Far-end Network Region: 1

Far-end Domain: rescue.org
Bypass If IP Threshold Exceeded? n
Incoming Dialog Loopbacks: eliminate RFC 3389 Comfort Noise? n
DTMF over IP: rtp-payload Direct IP-IP Audio Connections? y
Session Establishment Timer(min): 3 IP Audio Hairpinning? n
Enable Layer 3 Test? y Initial IP-IP Direct Media? n
H.323 Station Outgoing Direct Media? n Alternate Route Timer(sec): 6

filip36 05-21-2018 11:59 PM

Thank You! I will compare settings of the signalling group.
And i found manual "Configuration Note 88104 Version K (12/22/16)
Avaya S8xx0 Aura Messaging SIP Integration directly to Avaya CM", want to try it.
Signalling group and trunk is up. I hear message "Welcome to Audix" but i can't leave voice message to mailbox. There is always message "Welcome to Audix".

kumar1499 05-22-2018 03:11 AM

Does DTMF work from Phone to any other device ?

filip36 05-22-2018 06:17 AM

Sure. With calls between phones and ip phones there is no problems, only with CMM.

filip36 05-23-2018 02:33 AM

The problem was solved. The reason was in the table "public-unknown-numbering". I have added string for my local stations and trunk to CMM and it's ok.

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