Features:- SIP standardization
- One Voice Port (RJ-11)
- Call switching between VoIP and PSTN calls
- Supports FSK Caller ID, Hold, Call Waiting, Call Transfer and Call Forward
- PSTN line default in case of power failure
See other products in some related categories (click to browse):
Telephony, PBX & VoIP > VoIP Hardware
Office & Business > Office Electronics > Telephony, PBX & VoIP > Telephones, Fax & Accessories > Phones