DTMF Method flexible DTMF transmission method, user interface of in-audio, RFC2833, and/or SIP info

Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-/IP Transport RTP/RTCP/IP Signaling SIP (RFC 3261)

QoS Diffserve, TOS, 802.1P/Q VLAN tagging

Caller ID Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID

DHCP Client/Server Yes, NAT Router or Switched Mode

Telephone Interfaces GXW4104: 4RJ11 Network Interfaces :10M/100M/1000Mbps, dual RJ45 ports

LED indicators Power, Network and Line LEDs

Operational: 32-104°F or 0-40°C Storage: 14-140°F or -10-60°C Humidity: 10-90% Non-condensing

Media SRTP not available

Voice-over-Packet Capabilities G.168 compiant Echo Cancelation, Dynamic Jitter Buffer, Moderm detection & auto-switch-G.711

Power Output: 12VDC Input: 100-240VAC / 50-60Hz

Mounting Wall mount and desktop