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

QoS Diffserve, TOS, 802.1P/Q VLAN tagging

Dimensions (LxWxH) 230mm x 135mm x 35mm

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

DHCP Client/Server Yes, NAT Router or Switched Mode

Network Interfaces 10M/100Mbps, dual RJ45 ports

PTSN Fail-over Life Line PTSN failover on power failure

GXW4008: 8 RJ11 FXS ports 4RJ11 FXS 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 Compression G.711, G.723, G.726 (40/32/24/16), G.729A/B/E, G.728, iLBC

Provisioning TFTP, HTTP, HTTPS

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

Mounting Wall mount and desktop

گرنداستریم-Grandstream