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T38 audio problems
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kd211 Offline
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Posts: 3
Joined: Feb 2013
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Post: #1
T38 audio problems

got a problem with T38 phones. Whenever I make a call and the other party answers, I can't hear any audio for about the frist second. (Phone A calls Phone B, Phone A can't hear B voice for about a second.)

After that the call quality is fine. The phones are connected to an Asterisk Server via 100MBit Switched network with no delay, so network issues can be rules out. I had the same problem with T28 phones, which I solved by activating early media. Unfortunately T38 do not have this option. I already played around with jitter buffer settings, but nothing really helped. The trace I made from the asterisk server showed, that the audio is flowing right away to the phone, so an issue with Asterisk can be rules out.

My question is now: Is this a known issue and is there any fix for it? Would it be possible to fix the firmware of the T38 to enable ealy media option like T2X?

Thanks for an info.

Kind regards

02-28-2013 06:06 PM
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Messages In This Thread
T38 audio problems - kd211 - 02-28-2013 06:06 PM
RE: T38 audio problems - Yealink Support - 04-01-2013, 03:46 PM
RE: T38 audio problems - kd211 - 04-02-2013, 12:10 AM
RE: T38 audio problems - Yealink Support - 04-07-2013, 03:14 PM
RE: T38 audio problems - Yealink Support - 04-07-2013, 03:15 PM
RE: T38 audio problems - kd211 - 04-24-2013, 03:18 PM
RE: T38 audio problems - Yealink Support - 05-27-2013, 10:43 AM

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