Polycom Computer Calling Kit

[ukix]

Hi! I'm looking for pinout for Polycom's Computer Calling Kit (http://www.polycom.com/apac/en/products/voice/accessories/computer_calling_kit.html)
It's 2.5 mm jack male to doble 3.5 mm jack male.
Would be appreciate for any information.

[Centurion]

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