| UMTS 2100MHz (WCDMA, 3G); 2-channel 3G VoIP Gateway for call termination & origination; SIP, Asterisk compatible; 2 calls is avaialble simultaneously for 3G - VoIP conversion Major Functions: SIP VoIP & 3G Mobile conversion 50 sets of LAN -> 3G routes setting; 50 sets of 3G -> LAN routes setting. Voice response for setting & status (dial in from 3G mobile) For call termination (VoIP to 3G) & origination (3G to VoIP) Standard SIP (RFC2543, RFC3261) protocol To be set via web Specification: Protocols: SIP (RFC2543, RFC3261) TCP/IP: IP/TCP/UDP/RTP/RTCP/、CMP/ARP/RARP/SNTP DHCP/DNS Client、IEEE802.1P/Q、ToS/DiffServ、NAT Traversal、STUN、uPnP、IP Assignment、Static IP、 DHCP、PPPoE Codec: G.711 u-Law、G.711 a-Law、G.723.1 (5.3k) G.723.1 (6.3k)、G.729A、G.729A/B、Voice Quality VAD、CNG、AEC、LEC、Packet loss SC-385 Series (2SIM): 1. CDMA VoIP Gateway SC-385C: 800MHz CDMA Supports CDMA2000 1舑TT Air Interface、Backward compatibility from IS-2000 to IS-95A/B; Support Voice for both 13K QCELP and EVRC; Supports both full rate & 1/8 gating on the reverse link 2. 3G VoIP Gateway SC-385G: UMTS 2100MHz, WCDMA, 3G 3. GSM VoIP Gateway SC-385: Dual band: 900/1800MHz; Tri band: 900/1800/1900MHz; Quad band: 900/1800/1900/850MHz | 
Networking
