This is a Plantronics Savi/CS500 series APC-45 EHS cable for Cisco SPA512G, SPA514G, SPA525G, SPA525G2 Phone models - electronically takes your phone off hook, eliminating the need for the HL10 lifter. Only compatible with these Plantronics Savi and CS500 models:
Plantronics CS540, CS510, CS520 , Plantronics Savi WO100, Plantronics Savi WO200, Plantronics Savi WO300 Plantronics Savi WO350 , Plantronics Savi W740, Plantronics Savi W710 , Plantronics Savi W720 , Plantronics Savi W730 , Plantronics Savi W745
This cable only works with the following Cisco IP phones:
Cisco SPA512G, SPA514G, SPA-525G, SPA525G, SPA525G2 Phones
Note: Do not order this part if you don't have these models
Old Poly part # 87317-01
New HP part # 85Q57AA
If you have other Cisco models:
Cisco IP 8961 9951 9971, you need the APU-72 instead
Cisco IP 7942G, 7945G, 7962G, 7965G, 7975G use APC-42 instead
Also See Savi EHS user's guide or Cisco IP Phone compatibility and setup guide and our Cisco Phone Hookswitch reference guide for more detail information
Plantronics APC-45 Setup Procedure on Cisco SPA phone:
Configuration change must be made through the Cisco Web Interface. By default, EHS is disabled.
Connect to the Cisco SPA phone using a web browser.
Select Voice
Select User
Select Audio
Under EHS = None, use the pull down to select Plantronics
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