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379 posts

Ultimate Geek
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Topic # 174931 11-Jun-2015 10:02
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I'm not able to dial a number using VFX but it goes through successfully using 2talk. I'm using a Linksys SPA2102 ATA and open VFX. The help desk at WxC indicated that it was a codec problem. Codecs are set for G711a, G711u, and G729a, with the preference is this order.

Feel free to test this out if you wish. The number is for GlobalMeet (Telecomferencing) 0800 886 007. You won't get far without the password, of course. The recorded message states that the call "cannot be completed at this time".

Anyone have any suggestions?

Cheers,

Dr. C.





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266 posts

Ultimate Geek
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  Reply # 1322680 11-Jun-2015 10:09
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Hi DrCheese.

You are sending out a whole bunch of codecs (which shouldn't really be an issue as the far end will reply to you with the ones it can use) but I think the issue here is your RTP packetization timer :

Your SDP info :


m=audio 16386 RTP/AVP 8 0 18 2 4 96 97 98 100 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729a/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:4 G723/8000
a=rtpmap:96 G726-40/8000
a=rtpmap:97 G726-24/8000
a=rtpmap:98 G726-16/8000
a=rtpmap:100 NSE/8000
a=fmtp:100 192-193
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=ptime:30
a=sendrecv

So, I would start with changing your ptime to 20, on the SPA2102 you should find a menu with this :



Change the RTP packet size to 0.020 and give it another try.

Regards,
Andrei.

3594 posts

Uber Geek
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WorldxChange

  Reply # 1322689 11-Jun-2015 10:23
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Change your ptime to 20 not 30, also  i would remove the G726, G723 codecs as well

m=audio 22408 RTP/AVP 8 0 18 2 4 96 97 98 100 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729a/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:4 G723/8000
a=rtpmap:96 G726-40/8000
a=rtpmap:97 G726-24/8000
a=rtpmap:98 G726-16/8000
a=rtpmap:100 NSE/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:100 192-193
a=fmtp:101 0-15
a=ptime:30
a=sendrecv




Yes I am a employee of WxC (My Profile) ... but I do have my own opinions as well Wink

             

https://www.facebook.com/wxccommunications

3594 posts

Uber Geek
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WorldxChange

  Reply # 1322693 11-Jun-2015 10:24
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opps i must be getting slow... my team is beating me to it




Yes I am a employee of WxC (My Profile) ... but I do have my own opinions as well Wink

             

https://www.facebook.com/wxccommunications



379 posts

Ultimate Geek
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  Reply # 1322697 11-Jun-2015 10:28
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Perfect. Thanks grudge and maverick. The call went through.

Cheers,

DrC





Dangerous Chocolate
158 posts

Master Geek
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  Reply # 1322754 11-Jun-2015 12:13
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Please promise this awesome level of support will continue under Vodafone ownership ...

3594 posts

Uber Geek
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WorldxChange

  Reply # 1322781 11-Jun-2015 13:11
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innocent Ive always helped our customers and always will :) ... 




Yes I am a employee of WxC (My Profile) ... but I do have my own opinions as well Wink

             

https://www.facebook.com/wxccommunications

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