Has anyone had this cable go bad after a year or so? Issues like the call fading out where you can no longer hear the other person.

YES, I use Plantronics headsets and these cables at work and it is a common issue (globally) for some APP-51 adapters with the certain HW-Release like 02/16 A41.02 or 07/18. We get Echo-Issue, calls fading and dropping completely. The only solution to this that proved efficient is a different HW Release.

Will this work with a polycom vvx201 phone?

It works on my polycom vx310 phone.

Will this work with a vvx250?

Hello! Yes, it is compatible. If you have any further questions, feel free to contact our Customer Care Team at: 800-985-9815.

Is this ( plantronics ehs 38439-11 ehs app-51 hook switch landline) is the correct adaptor for a plantronics cs530? i have a cisco 7975 phone. thanks

Thank you for your question. This cable is ONLY for POLYCOM phones.

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Plantronics - Electronic Hook Switch Cable APP-51 (Poly) - Remote Desk Phone Call Control - Works with Poly Desk Phones

Plantronics - Electronic Hook Switch Cable APP-51 (Poly) - Remote Desk Phone Call Control - Works with Poly Desk Phones

Product ID: 1483083

Details

Brand
PLT
Cable Type
1
Compatible Phone Models
Poly desk
Connector Type
1

🎧Compatible with 12+ Plantronics headset models

📞Seamless remote call control with Poly desk phones

🔌2-meter wired connection

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Description

📞 Stay connected, hands-free, and ahead of the curve!

TRUSTED RELIABILITY - RoHS certified and backed by a 1-year warranty for peace of mind.
CLUTTER FREE WORKSPACE - Eliminates the need for bulky handset lifters, streamlining your desk setup.
PLUG PLAY SIMPLICITY - Easy wired connection with male-to-male connectors for instant setup.
EFFORTLESS CALL CONTROL - Answer and end calls remotely without lifting your handset.
UNIVERSAL POLY COMPATIBILITY - Works flawlessly with a wide range of Polycom desk phones and Plantronics headsets.

The Plantronics Electronic Hook Switch Cable APP-51 (Poly) is a 2-meter wired accessory designed for seamless remote call control with compatible Plantronics wireless headsets and Poly desk phones. It eliminates the need for handset lifters, supports over a dozen headset models, and ensures a clutter-free, professional workspace with easy plug-and-play installation. RoHS certified and backed by a 1-year warranty, it’s the smart upgrade for modern office communication.

Specifications

ASIN	B007IP8NNQ
Best Sellers Rank	#22,026 in Electronics ( See Top 100 in Electronics ) #1,286 in Earbud & In-Ear Headphones
Brand Name	PLT
Cable Type	1
Color	Black
Compatible Devices	Plantronics CS510, CS520, CS530, CS540, MDA200, Savi W710, Savi W720, Savi W730, Savi W740, Savi W745, WO100, WO101, WO200, WO201, WO300/50
Compatible Phone Models	Poly desk phones
Connectivity Technology	Wired
Connector Gender	Male-to-Male
Connector Type	1
Customer Package Type	Standard Packaging
Customer Reviews	4.5 4.5 out of 5 stars (846)
Ethernet Cable Category	Cat 5e
Global Trade Identification Number	00017229128644, 00017229137363
Included Components	EHS Cable APP-51 (Polycom)
Indoor Outdoor Usage	Indoor
Item Length	2 Meters
Item Shape	Round
Item Type Name	EHS Cable APP-51 (Polycom)
Item Weight	1 Grams
Manufacturer	Poly
Model	38439-11
Model Name	EHS Cable APP-51 (Polycom)
Number of Items	1
Number of Pins	2
Outer Material	Other
Part Number	38439-11
Recommended Uses For Product	Remote desk phone call control with Plantronics wireless headsets and compatible phone systems
Specification Met	RoHS
UPC	069060234015 163120258383 012302577364 641676238955 031112897158 803982738813 017229128644 168141407376 031112929095 069060015072 640206623940 680808318714 754262036634 163120276387 001910146413 168141623844 001910688708 601000740004 168141407369 956263120842 012302833668 745449849307 017229128651 172291373634 021111198516 777785707430 803982973863 956258625741 961613242365 601000740097 7253924301…
Unit Count	1 Count
Warranty Description	1 Year

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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A$122

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Australia.

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