Author Topic: SIP Trunk Ring-back | Skype for Business  (Read 1463 times)

Offline mohkhalifa

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SIP Trunk Ring-back | Skype for Business
« on: August 19, 2020, 01:09:05 PM »
Dear All,
I'm using Mitel 3300 and Integrated with Skype for Business via SIP trunk. the problem I can't hear the RingBack tone from the headset.
Everything is working fine I can call Skype extension and also calling from Skype. the only problem not hearing the ringback tone.
ANY HELP!


Offline sunspark

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #1 on: August 19, 2020, 01:17:09 PM »
hello ,

what do you have in this two options  in you sip peer profile ?


 Enable Mitel Proprietary SDP
 Force sending SDP in initial Invite message

Offline mohkhalifa

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #2 on: August 19, 2020, 01:28:52 PM »
hello ,

what do you have in this two options  in you sip peer profile ?


 Enable Mitel Proprietary SDP
 Force sending SDP in initial Invite message

After enabling both of them, getting ERROR while dialing the extortion from the IP phone

Offline sunspark

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #3 on: August 19, 2020, 01:38:54 PM »
hello ,

what do you have in this two options  in you sip peer profile ?


 Enable Mitel Proprietary SDP
 Force sending SDP in initial Invite message

After enabling both of them, getting ERROR while dialing the extortion from the IP phone

This is not what i asked you.

Offline mohkhalifa

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #4 on: August 19, 2020, 02:17:15 PM »
hello ,

what do you have in this two options  in you sip peer profile ?


 Enable Mitel Proprietary SDP
 Force sending SDP in initial Invite message

After enabling both of them, getting ERROR while dialing the extortion from the IP phone

This is not what i asked you.

Both of them are (NO) disabled

Offline sunspark

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #5 on: August 19, 2020, 03:37:11 PM »
Set the second to yes, and test

Offline mark.vanderheijden

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #6 on: August 20, 2020, 04:05:57 AM »
You can also try to enable "Ignore SDP Answers in Provisional Responses" or "Suppress Use of SDP Inactive Media Streams"

Offline mohkhalifa

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #7 on: August 20, 2020, 10:26:12 AM »
NO LUCK!
I tried all of them and also no Ring-Back

Offline sunspark

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Re: SIP Trunk Ring-back | Skype for Business
« Reply #8 on: August 20, 2020, 11:18:17 AM »
can you make a sip tcpdump ?


 

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