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(DISCONTINUED) Make sure Customer is using a Partner phone and the CT14 is connected into the AUX jack or telephone wall jack, then change the flas...

Yealink Model #s EHS 40 is compatible with : SIP VP59, T58A, T57W, T53W, T54W, T53, T48S, T46S, T42S, T41S PLEASE NOTE : If an expansion module has...

Sennheiser Electronic Hookswitch for Cisco 7900 Series Phones (CAT #1785): - Connect green and pink cord into PHONE and ACC port of cube - Connect ...

To raise or lower ringer volume on ESI Phone: Press the PROGRAM Button. Hit the 4 key. Hit the 2 key. Use the scroll key to adjust the volume – the...

Call waiting is a feature of the cell phone and not the Headset. You cannot use the headset controls to do this. You will have to use the keys on t...

On the bottom!. Mic volume, speaking volume, and configuration controls are all on the bottom of the base station for CS510/ CS520 / CS540 systems....

Because we use all our Mystery Solving skillz to figure out that the guy in the zombie mask was OLD MAN JENKINS WHO OWNED THE FARM NEXT DOOR THE WH...

Hi Team, We have all seen this note ----> “Handset highly arched, for lifter use, needs velcro to make handset stay in place” when looking at co...

Sennheiser Avaya 2420,4600, & 5000 series EHS set up (cat 2162). 1) Plug the cord with the green sticker into the PHON E port in the back of th...

(DISCONTINUED) I do not hear a dial tone. • Check that all the cords and plugs are connected correctly. • Check that the power adapter is plugged i...

Leitner wireless giving echo. ECHO (echo... echo...). If you're hearing your own voice back: 1) Try turning down the mic volume 2) Try playing arou...

Here is an easier way to reboot a polycom phone. No unplugging and nonsense needed. Here’s what to press on the Polycom phone to get to the reset o...