Front Panel LED's: Power, WAN, LAN, Line1 & Line2

2 FXS ports supporting two separate phone lines with independent telephone numbers IP Telephony Protocols: SIP Support for G.711, 729.a/b,G.723 & G.726 Codec Voice Activity Detection (VAD) & Comfort Noise Generation (CNG) Echo Cancellation: G.168 Power Outage Back-UP: PSTN Life Line - manufacture option Fax/Modem Support: Auto-switch to G.711 for Fax T.38 Fax Relay Caller ID Message Waiting INdicator

Type-of-service (ToS) bit-tagging Diffserve