Description
- Number of GSM channels (Max): 8
- Network type: 850/900/1800/1900MHz
- Protocol: SIP (RFC3261),IAX2
- Transport Protocol: UDP,TCP,TLS,SRTP
- DTMF: RFC2833, SIP INFO, In-band
- Codec: G.711A/U law, G.722, G.723.1, G.726, G.729a.
- Echo Cancellation: ITU-T G.168 LEC
- LAN: 1 (10/100Mbps)
- Network: Static IP, DHCP Client, Firewall, VLAN, DDNS, QoS, Open VPN
- NAT Traversal: Static NAT, STUN
