Headset 7960

Unanswered Question
Apr 6th, 2007
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At a customer site we have a CME with to 7960 phones. When plugging a headset from Sennheiser CC530 to the headset plug it won't work when you plug it in the phone input it works. We have tried the following cables CSTD24 and CSTD08 but still not works. Does somebody has an idea whats the problem?

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Overall Rating: 5 (1 ratings)
Jason Aarons Fri, 04/06/2007 - 11:02
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I would recommend calling Sennheiser technical support.

pacameron Sun, 04/08/2007 - 03:13
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We are using "SENNHEISER CSTD08 BOTTOM CABLE" on 7960 handsets in our lab and they are working fine.

Can you confirm if you are definately using a CP7960 or CP7961 handset - I know someone in Sennheiser so can get advice from them if there are any know issues.

Rob Huffman Sun, 04/08/2007 - 07:41
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Hi Paul,

Very nice offer to help out! It's great to see people go "above and beyond". 5 points on this one for sure :)

Thanks again.


pacameron Tue, 04/10/2007 - 04:50
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Spoke to the Sennheiser rep and checked their web site, the CP7960 handset uses the CSDT08 cable -

Final Headset solution for Cisco Systems IP Phones: 7960, 7960G

Headset Model: CC 530

Ultra Noise Cancelling Microphone

Flexible Microphone Boom


Balanced Side Support & Comfort Pads

2-in-1 Solution - Ear clip or Headband

The direct connection cable allows you to connect directly to the telephone.

Cable: CSTD 08

Comment: Has dedicated modular headset Jack.

Suggest you try the same cable on a different handset to make sure there is not a faulty headset socket, or try another cable. The same cable (CSTD08) works with 7961 and 797X handsets as well.

pacameron Thu, 04/12/2007 - 06:07
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one more thing to check - make sure the headset has not been disabled in the phone config :


To disable the headset on a Cisco IP Phone models 7960G and 7940G, choose Device > Phone from the Cisco CallManager Administration application, locate the phone you want to modify, and check the Disable Speakerphone and Headset check box.


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