
Yealink 1303166 RCH40 E2 electronic hook switch adapter cable for wireless headsets.
The Yealink RCH40 E2 (part number 1303166) is an electronic hook switch (EHS) adapter cable designed to enable seamless integration between Yealink IP phones and compatible wireless headsets. This adapter allows users to answer, end, and reject calls directly from their wireless headset without needing to interact with the phone handset, significantly improving workflow efficiency in hands-free environments.
The RCH40 E2 is typically deployed in professional office environments, contact centres, and busy administrative settings where staff benefit from wireless headset mobility. It forms part of Yealink’s comprehensive accessory ecosystem, designed to extend the functionality of their SIP phone range when paired with third-party wireless headset solutions.
This EHS adapter is intended for use with specific Yealink IP phone models and compatible wireless headset systems. Users should verify compatibility with their particular phone model and headset brand before deployment to ensure full functionality of remote call control features.
Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | Yealink BH Series |
|---|---|
| Manufacturer | Yealink |

| Platform | Yealink MSpeech Series |
|---|---|
| Manufacturer | Yealink |

| Platform | T2 Series |
|---|---|
| Manufacturer | Yealink |

| Platform | Yealink T4U Series |
|---|---|
| Manufacturer | Yealink |

| Platform | Yealink CP Series |
|---|---|
| Manufacturer | Yealink |

| Platform | VP530 |
|---|---|
| Manufacturer | Yealink |

| Platform | Yealink IP Phones |
|---|---|
| Manufacturer | Yealink |
| Key Features | Electronic hook switch functionality; Remote call control from headset; Simple plug-and-play installation; Enables wireless headset integration |
|---|---|
| Applications | Contact centre deployments; Office desk phone environments; Hands-free call handling |
| Compatibility | Yealink SIP/IP phone series; Compatible wireless headset systems |
| Specifications | EHS adapter cable; RCH40 E2 model |
| Platform | Yealink IP Phones |
| Manufacturer | Yealink |
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