VoIP gateway

 H.323 V4, SIP v2.0 (RFC 3261), MGCP (RFC 3435)
 Codec: G. 711, G.723.1, G.726 and G.729A/B.
 Hybrid echo cancellation G.168 (16 ms)
 Auto switch between Fax and voice
 DTMF tone detection/regeneration
 Comfort Noise Generation (CNG)
 User programmable Call Progress detection/generation
 Voice Activity Detection (VAD) Facsimile protocol(option): T.38
 Real-time fax over IP
 DTMF tone detection/regeneration HTTP Server
 TFTP and flash memory for remote software download and upgrade
 VLAN
 SNMP
 PPPOE
 TFTP
 HTTP