- Number of GSM channels (Max): 8 (Quad-Band GSM/GPRS850/900/1800/1900MHz; Support external antenna)
- Protocol: SIP (RFC3261), IAX2
- Transport: UDP
- DTMF: RFC2833, SIP INFO, In-band
- Codec: G.711 A/u-law, G.726, G.729 A, GSM, Speex.
- LAN: 1 (10/100MBps)
- Network: DHCP Server, VLAN, Firewall.
- Power Supply: AC 100~240V/50~60Hz (DC 12V, 1A)
- Size: 175x125x31mm
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