WRR-11-VoIP & WRR-41-VoIP are designed for rough-service areas with limited, special communication needs, WRR-VoIP Series Weather Resistant IP Ringdown Telephones assure high quality communications under extreme working conditions. Lift the handset and the autodialer routes the call to its assigned location.
WRR-VoIP Series Ringdown Telephones are compatible with most SIP-based IP-PBX servers that comply with SIP RFC 3261.
FEATURES and BENEFITS
• "Full" duplex voice operation
• PoE 802.3af enabled (Power-over-Ethernet) or alternate power source
• Compatible with most SIP-based IP-PBX servers that comply with SIP (RFC 3261). (Refer to the Guardian VoIP web page for a list of certified servers)