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Old 11-21-2017, 08:12 PM
hawles hawles is offline
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Join Date: Aug 2015
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Exclamation 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?
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Old 11-24-2017, 05:21 AM
kumar1499 kumar1499 is offline
Join Date: Oct 2017
Location: Bangalore, India
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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.
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Old 12-04-2017, 08:10 PM
wellington35 wellington35 is offline
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Location: Orlando, FL
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Hawles did you get this working? or still need help?
Wellington Paez
Senior Convergence Specialist @ Carousel Industries
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Old 05-17-2018, 07:24 AM
filip36 filip36 is offline
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Posts: 5
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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.
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Old 05-21-2018, 11:45 AM
hurdk hurdk is offline
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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
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Old 05-21-2018, 11:59 PM
filip36 filip36 is offline
Join Date: May 2018
Posts: 5
filip36 has 10 reputation points

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".
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cmm, communication manager, dtmf signalling, integration, sip

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