Full specification
E1/T1/J1 Port: 1 (Support PRI, MFC R2, SS7)
Protocol: SIP (RFC3261), IAX2
Transport Protocol: UDP, TCP, TLS, SRTP
DTMF: RFC2833, SIP INFO, In-band
Codec: G.711 a/u-law, G.722, G.726, G.729A, GSM, Speex, ADPCM
Echo Cancellation: ITU-T G.168 LEC
LAN: 10/100 Mbps
WAN: 10/100 Mbps
USB Port: 1
Dimensions: 213 x 160 x 44 mm
Power Supply: AC 100~240V, 50~60Hz (DC 12V, 1A)
Features: Trunk Support, Call Routing Rules, Caller ID, FAX Support, Blacklist, Firewall, DDNS
