Poly APU-72 EHS Cable (Cisco/Nortel) – Poly 202578-01 or HP 85Q95AA
The Poly (formerly Plantronics) APU-72 Electronic Hook Switch (EHS) cable part # Poly 202578-01 or HP 85Q95AA communicates electronically with your phone giving your wireless headset answer/end and ring alerts remotely.
The APU-72 cable eliminates the need for an HL10 handset lifter.
Poly has several EHS adapters, each being unique to a specific telephone and wireless product.
We strongly suggest confirming compatibility with us before purchasing.
Poly APU-72 Compatibility:
- CS500 Series
- Current: CS540, and all -XD variants
- Discontinued: CS510, CS520, CS530
- Savi Series
- Current: 7210, 7220, 7310, 7320, 8210, 8220, 8240, 8245, and all -M variants
- Discontinued: W710, W720, W730, W740, W745, and all -M variants
- Voyager Series
- Office: 4210, 4220, 4245, 5200, and all-M variants
- USB: When used with Voyager Office Base and all -M Variants
(APU-7 – Compatible with: CS70N, CS70, CS50, CS55, Voyager 510S, CS351, CS351N, CS361, CS361N)
Cisco Phone with APU-72 EHS Compatibility
- 9951, and 9971
Nortel Phone with APU-72 EHS Compatibility
Cisco Electronic Hookswitch Setup:
The Cisco server must be running Cisco CallManager System Version 4.1(3)SR5x or higher.
Verify by logging onto the Callmanager with a browser. Press the detail button on the main page to display the SW version.
The Cisco phone must be running firmware 8.3(3)x or higher.
Press the settings button on the phone (Checkbox icon). Select “Model information”. The firmware revision is listed under “Load File”
The phone must be set for “Wireless Headset Hookswitch Control” = Enabled
Press the settings button on the phone (Checkbox Icon). Select “Device Configuration” >> Select “Media Configuration”
If “Wireless Headset Hookswitch Control” is ” Disabled”, follow the instructions below.
Enabling Wireless Headset Hookswitch Control
Access the server administrator with a browser. Select Device>Phone through the drop down menus.
Click “Find” with no selection criteria to obtain a list of all phones
Open the desired phone. Scroll down to “Wireless Headset Hookswitch Control” Set to “Enabled”
Click “Apply”. Wait for the dialog box to appear, then reset the phone by clicking the reset button.
If the phone is equipped with a model 7914/7915/7916 expansion module:
The Expansion module will be plugged into the telephone AUX connector
Connect the APC-4 (APC-40) control connection into the expansion module
Use a 40287-05 adapter to extend the APC-4 (APC-40) audio input to reach the headset jack on the phone
Nortel Firmware Notes
The latest Nortel firmware 3.1 has enabled USB support on Nortel 1120E and USB and Bluetooth support for 1140E and 1150E.
The firmware revision needs to be at least rev 0624C6J (1120E), 0625C6J (1140E), 0627C6J (1150E) and up.
**REV 9 The USB port has to be enabled on the phone by pressing the services button on the phone twice -> select preferences -> Select headsets -> change headset type to USB -> press Apply softkey
How To Check The Firmware Version
1) Press the Services button once.
2) Choose ‘Telephone Options’
3) Choose ‘Set Info’
4) Choose ‘General Info’
5) Scroll down and note FW Version
Poly APU-72 Specifications
- Model APU-72 EHS Cable
- Formerly APU-70 / APU-71
- Poly SKU: 202578-01
- Formerly 83018-01 / 83018-11
- UPC: 0017229146938
- HP SKU: 85Q95AA
- UPC: 197497572773
- Warranty: 1 year