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My Leitner headset is stuck on? How do I fix it? If you’ve got a Leitner headset that has a glowing power button that won’t turn off no matter what...

Can I Use a Leitner Training Cord with an M22 Amp? No. The M22 Amp does not work well with the Leitner training cord. Both headsets can hear if the...

Light not illuminated: Amp not turned on (sound will be through handset) Green light: Amp is turned on and call is active Red light: Amp is turned ...

Is there a way to make Bluetooth work in Polycom phones? . A lot of the VVX Polycom phones have a USB port, and it can be used for a headset, inclu...

Raising and lowering ringer volume in (some) Nortel phones. -Press the Nortel button (usually on the right of the phone, kinda looks like a circle ...

In order to get the headset button to work we may need to activate it 1st. 1. Hit the feature button (Infinity symbol or a circle with an X in it) ...

Product SH 330 / SH 330 IP (wideband) Catalog SH 330: 1432 SH 330 IP: 2218 P/N SH 330: 5354 SH 330 IP: 504013 Warranty 2 years Compat Sennheiser Qu...

The answer is NO. The LH370 can easily connect to a cell phone, computer, or tablet, but does not have the capability to connect with other Bluetoo...

Leitner : - Skype for Business if Lync Mode is enabled. What is Lync Mode? Check out this article! Sennheiser : - You can always go with the ML ver...

While the Plantronics brand ear pads have been discontinued (along with the CS50 and CS55), we do have an earpad that will work :) Try Catalog # 17...

PRODUCT DISCONTINUED The CS55H will work with the cordless extension handset, and wouldn’t need a lifter since there isn’t a phone line coming in t...

Great question! All of the information in this articles comes from here:. https://success.ringcentral.com/articles/RC_Knowledge_Article/7727 It is ...