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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: 993
Joined: Jan 2014
Reputation: 26
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.

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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