The ReadyNet VRT series are simple and versatile VoIP telephone adapters that connect directly to your modem or router, creating a feature rich phone. Use the adapter or router with a phone or FAX machine. Hear the clear call quality and enjoy calling features such as call waiting, 3-way conference, music on hold, speed dial, black list, call forwarding, and Caller ID. Perfect for home, work from home, or small office. To get started all you need is high-speed internet and a traditional telephone or FAX machine.

Also see the AC1200MS and VWRT510 wireless routers with internal analog telephone adapters.AC1200MSFront

Compact size

Excellent voice quality

SIP proxy server support

Up to 8 concurrent VoIP calls


VRT210 – 1 FXS port
VRT220 – 2 FXS ports
VRT240 – 4 FXS ports
VRT280 – 8 FXS ports
I/O Interfaces
V210: 2 RJ-45 10/100 Ethernet ports (routed or switched)
V210: 1 RJ-11 FXS port
V220: 2 RJ-45 10/100 Ethernet ports (routed or switched)
V220: 2 RJ-11 FXS ports
V240: 2 RJ-45 10/100 Ethernet ports (routed or switched)
V240: 4 RJ-11 FXS ports
V280: 2 RJ-45 10/100 Ethernet ports (routed or switched)
V280: 8 RJ-11 FXS ports
Audio Codec
G.711 (A-Law, μ-Law) with PAMS above 4.3
G.729A/AB with PAMS above 4.0
Adaptive jitter buffer management
Voice activity detection
Comfort noise generation
Echo cancellation
T.30 FAX with G.711
Real time FAX over IP via T.38 (V120, VRT220 only)
1 Year Limited Product Warranty