Key Features
Remote answer/end call control from a compatible wireless headset.
Eliminates the need for a physical handset lifter.
Supports headset ring alerts so calls can be answered even when away from the desk.
Compatible with Poly headset families including CS500, Savi, and Voyager models in supported setups.
Works with a broad range of desk phone brands, including Siemens, Aastra, Mitel and others.
Compact, desk-friendly design for a cleaner workstation.
TAA compliant for regulated and government purchasing requirements.
Includes support for online indicator functionality on compatible systems.
Benefits
- Improves call handling efficiency by letting users control calls without returning to the desk.
- Boosts productivity in call-heavy workplaces by keeping workers mobile and focused.
- Reduces desk clutter and removes the need for extra mechanical accessories.
- Helps deliver a more professional communication setup for offices, support teams and hybrid workspaces.
- Supports smoother headset deployment across mixed phone environments.
- Adds long-term value by making compatible Poly headset systems more versatile and easier to use.
| Manufacturer | HP |
|---|---|
| Manufacturer Part Number | 85Q78AA, 37818-11 |
| Product Name | HP Poly APS-11 Electronic Hookswitch Cable |
| Product Type | Electronic Hook Switch Cable |
| Accessory Type | Desk phone and headset call control cable |
| Intended Use | Remote desk phone call control for compatible wireless headsets |
| Primary Function | Answer and end calls directly from the headset |
| Handset Lifter Support | Eliminates the need for an HL10 handset lifter |
| Cable Type | Coiled EHS cable |
| Connector Type | RJ-45 |
| Compatible Headset Families | Poly CS500 Series, Poly Savi Series, Poly Savi Office Series, Poly Voyager Office Base setups |
| Compatible Headset Models | CS510, CS520, CS530, CS540, CS510-XD, CS520-XD, CS540-XD, CS545-XD, W710, W720, W730, W740, W745, W710-M, W720-M, W730-M, W740-M, W745-M, Voyager Legend CS |
| Compatible Desk Phone Families | Siemens, Unify, Aastra, Mitel, Funkwerk, Auerswald, Agfeo, DTeWe, Tiptel, T-System |
| Supported Phone Models Examples | OpenStage 30, 40, 60, 80; OpenScape IP 35G, 55G; Optipoint 410, 420, 500, 600; 5370, 5380, 6735i, 6737i, 6739i, 6753i, 6755i, 6757i, 6771, 6773, 6775 |
| On-Line Indicator Support | Yes |
| Remote Call Control | Yes |
| Ring Alert to Headset | Yes |
| Replacement For | APS-10 |
| Compliance | TAA compliant |
| Country of Origin | Mexico |
| Package Width | 190 mm |
| Package Depth | 210 mm |
| Package Height | 55 mm |
| Applicable Use Cases | Office telephony, contact centers, customer support, sales desks, and regulated environments |
Frequently Asked Questions
HP Poly APS-11 Electronic Hookswitch Cable (85Q78AA) | New
What is the purpose of the HP Poly APS-11 Electronic Hookswitch Cable?
What does Electronic Hookswitch (EHS) mean?
Is the APS-11 compatible with all desk phones?
Which Poly headsets work with the APS-11?
Can I answer calls while away from my desk?
Can I end calls from my headset?
Does the cable improve productivity?
Is the APS-11 suitable for call centers?
Does the cable require external power?
Can it replace a mechanical handset lifter?
Is installation difficult?
Does the APS-11 support remote workers?
Can users move freely around the office during calls?
Is the APS-11 a genuine Poly accessory?
Does the cable affect audio quality?
Can it improve response times to incoming calls?
Is the APS-11 suitable for high-call-volume environments?
Does it work with wireless headset bases?
Can businesses deploy multiple APS-11 cables across their organization?
Why choose the HP Poly APS-11 Electronic Hookswitch Cable (85Q78AA)?
HP Poly APS-11 Electronic Hookswitch Cable (85Q78AA) | New
HP Poly
