Product Description
`- Number of GSM channels (Max): 1- 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 OpenVPN- NAT Traversal: Static NAT STUN- Size: 110x70x24mm- Power Supply: AC 100~240V/50~60Hz (DC 12V 1A) - Operation Range: 0 to 40C 32 to 104 F- Storage Range: