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One-Way audio when 2 parties speaking
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Fraukas2 Offline
Kolibri Telecommunication
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Posts: 38
Joined: Jan 2017
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Post: #1
Question One-Way audio when 2 parties speaking
Hello,

I just created a ticket to Yealink in regards of this issue, but in case someone can provide a quick solution, I'm also posting it here.
Phones are T21P_E1 with firmware 52.81.0.110 and T27G with firmware 69.81.0.110. Both models have the same issue.

I did not find anything related to this on the internet and I can't really know how to name the problem since it is not really a One-Way audio issue.
Here's some scenarios:
1- A (Yealink Phone) calls B (Yealink Phone) on the same network on the same Asterisk server. Call connects and A can talk to B, but B can also talk to A.
2- A (Yealink Phone) calls B (External Land Line). Call connects and A can talk to B, but B can also talk to A.
3- A (External Land Line) calls B (Yealink Phone). Call connects and A can talk to B, but B can also talk to A.

Problem in all those scenarios: If B is speaking to A, and A starts to speak to B while B is still speaking, one way audio issue starts and A will no longer hear B and B will no longer hear A until either A or B stops speaking.


Thank you for your time,
Frank
02-21-2019 07:50 PM
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 1,162
Joined: Jan 2014
Reputation: 34
Post: #2
RE: One-Way audio when 2 parties speaking
Hi,

Ref point 1: What if you change one of the Yealink phones with a phone from another manufacturer? Does the issue still excists?

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
02-21-2019 09:51 PM
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