4P4C RJ9 / RJ10 to 3.5mm Female Headset Adapter Cable for VoIP Phones

This 4P4C RJ9/RJ10 to 3.5mm female headset adapter cable allows you to use standard 3.5mm headsets with VoIP desk phones that feature an RJ9, RJ10, or RJ22 headset port. Ideal for offices, call centres, and professional telephony environments, it enables clear stereo audio and microphone functionality when using compatible headsets.

Designed for broad compatibility, this adapter works with many Cisco, Avaya, and Plantronics desk phones, allowing users to connect modern PC-style headsets to legacy telephone systems. The compact and durable design makes it suitable for daily professional use.

Please note: This adapter is not compatible with RJ11 ports and does not support integrated 2-in-1 smartphone headsets.

Key features:

• 4P4C RJ9 / RJ10 male to 3.5mm TRRS female adapter

• Enables use of standard 3.5mm headsets on VoIP desk phones

• Supports stereo audio and microphone (CTIA standard headsets)

• Ideal for call centres, offices, and business telephony

• Durable cable construction for everyday professional use

Compatibility:

• Works with many Cisco, Avaya, and Plantronics IP phones and amplifiers

• Compatible with most PC-style headsets using separate audio/mic wiring

• Not compatible with RJ11 ports or single-jack smartphone headsets