Cisco 7945 Calls - Headset Splitter or other listening method?

I have CUCM 7.1 and Cisco 7945G phones.  A sales Director wants to be able to listen into calls for training
purposes.  Is there some kind of splitter which would allow two headsets to be jacked into the phone at once?  Or perhaps there's a way that his phone can listen in to the phone of the sales rep in training?  Thoughts appreciated.
amigan_99Network EngineerAsked:
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José MéndezCommented:
amigan_99Network EngineerAuthor Commented:
Is it that exact one?  I don't see an RJ-9 connector.
José MéndezCommented:
Well, this is just part of the puzzle. The RJ-11 goes into the phone and connects on the other end to the Y piece in the link. The other 2 headsets connect on the other 2 receivers of the Y piece.

Check this picture:

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amigan_99Network EngineerAuthor Commented:
Thank you sir!
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