Headset not working with IP Phone

[David.Baratheon]

Hi everyone

I have a Cisco IP Phone 7945

I am trying to connect it to Sennheiser PC 31-11 head phone and microphone.

Since they have a microphone and sound jack I have an RJ9 adapter that goes between the headphones/microphone and the phone. 

No sound comes out of it when I plug it into my phone. Any ideas?

Here is the headset and adapter:

https://www.amazon.co.uk/gp/product/B0077L2WCY/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

https://www.amazon.co.uk/gp/product/B018I0BT4O/ref=oh_aui_detailpage_o01_s01?ie=UTF8&psc=1

I have tried to find out if they are compatible but struggling currently. Any suggestions are appreciated.

[Chitrangad Pathak]

Hi Dawud,

Basis the phone series / model using you can open the Data sheet from the link below and find out whether the headset is compatible or not.

http://www.cisco.com/c/en/us/support/collaboration-endpoints/unified-ip-phone-7945g/model.html#DataSheets

http://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7945g/product_data_sheet0900aecd8069bb80.html

I think your phone supports both wide as well as narrow band as it has a dedicated port  and no headset amp is required.

Any way you can check this information in Data sheets and release notes.

Also I could not find anything on the cisco website for 7945.. instead it is for 7945G. Please cross check the phone model once.

Cheers!

Pathak

[David.Baratheon]

Hi Chitrangad, many thanks for your response.

My phone says Cisco IP Phone 7945 in the top riht hand corner, but on the back it says Model: CP-7495G so I guess it's the same one you are referring to.

I am unable to see anything on the links you have provided that would indicate that the hardware I have selected is non-compatible. Is there some way to configure the phone to accept the adapter and headset in settings?

[MerrittCommunications]

Hi Dawud,

The headset and adapter you're trying to use isn't designed to work with your Cisco phone. I have no experience in testing these with a Cisco phone so I can't comment to much on why it won't work. That being said I have a couple options for you that are 100% compatible. Links are below for you.

Discover D702

http://merrittcomm.com/discover-d700-wired-headsets/discover-d702-binaural-wired-office-headset/

D100 cable

http://merrittcomm.com/headset/office-headsets/direct-connect-cable/discover-d100-direct-connect-cable/

Axtel Elite HD 

http://merrittcomm.com/headset/office-headsets/wired-headset/axtel-elite-hd-dual-ear-premium-wired-office-headset/

Discover D101

http://merrittcomm.com/headset/headset-accessories/universal-discover-d101-direct-connect-cable/

Thank you,

-Drew Merritt

1-800-683-5715