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T48G Problems with old Plantronics Headset
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Lazzard Offline
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Post: #1
T48G Problems with old Plantronics Headset
Hi Guys,

I got a T48G a few days ago. I tried to connect my old Plantronics wired call center headset to the phone using RJ9. I can hear the caller, but he can't hear me. Is it possible that the pins are assigned differently?

I tried a Yealink headset, it works on the phone. But the quality is not so good.

My old headset works because I used it on my old phone without any problems.

Anybody got any ideas?
03-04-2020 10:46 AM
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complex1 Offline
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Post: #2
RE: T48G Problems with old Plantronics Headset
(03-04-2020 10:46 AM)Lazzard Wrote:  Hi Guys,

I got a T48G a few days ago. I tried to connect my old Plantronics wired call center headset to the phone using RJ9. I can hear the caller, but he can't hear me. Is it possible that the pins are assigned differently?

I tried a Yealink headset, it works on the phone. But the quality is not so good.

My old headset works because I used it on my old phone without any problems.

Anybody got any ideas?

Hi,

Please check if your headset is compatible using the "Tested headset compatibility list"
http://support.yealink.com/forward2downl...qvyxx/XA==

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.
03-04-2020 12:57 PM
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jolouis Offline
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Post: #3
RE: T48G Problems with old Plantronics Headset
What is your old phone? Pinout is almost certainly different. If you know the wiring of the old phone you can figure out what is mic and what is speaker, then re-arrange and re-terminate (or get a new compatibility cord) accordingly. Yealink needs the U10P-S cord I believe.
03-04-2020 04:20 PM
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Lazzard Offline
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Post: #4
RE: T48G Problems with old Plantronics Headset
(03-04-2020 04:20 PM)jolouis Wrote:  What is your old phone? Pinout is almost certainly different. If you know the wiring of the old phone you can figure out what is mic and what is speaker, then re-arrange and re-terminate (or get a new compatibility cord) accordingly. Yealink needs the U10P-S cord I believe.

I have a Concept P622 from Telekom. I have pliers for the plugs, but no plugs. I could try this.
03-05-2020 07:02 PM
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