Description
Yealink W70B – Specifications
General / System Overview
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Model: W70B
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Type: DECT SIP base station — enables cordless IP handsets to connect and use VoIP/SIP via DECT
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Supports DECT SIP cordless handsets (such as W56H, W73H, etc.)
Capacity / SIP & Handset Limits
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Max number of associated handsets: 10
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Max simultaneous calls (system-wide): depends on handset and SIP subscription — typically supports multiple concurrent calls up to handset and trunk limits
DECT / Radio / Coverage / Connectivity
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DECT standard: CAT‑iq 2.0 / DECT
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Frequency band: DECT band (region‑dependent for DECT)
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Coverage / range: up to ~50 meters indoors (ideal conditions), up to ~300 meters outdoors / open area (ideal conditions)
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Connectivity to PBX/Network: Ethernet connection (RJ45) — connects base station to network / VoIP trunk / router
Features & VoIP Support
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SIP protocol support — acts as a SIP base for DECT cordless handsets
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Supports standard VoIP features when paired with compatible handsets: call signaling, registration of handsets, call routing via SIP server/PBX, voicemail, call hold/transfer, etc.
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Allows mobility — cordless handsets around premises connected via this base station instead of wired phones
Use Cases
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Ideal for small to medium offices, warehouses, shops — where cordless mobility is needed
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Allows user/deployment of multiple cordless handsets without needing separate analog lines — all managed via a central VoIP base station (W70B) + SIP trunk or PBX
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Useful where wiring is difficult or needs flexibility
