UMTS 2100MHz (WCDMA, 3G)
For call termination (VOIP to 3G) & Call origination (3G to VOIP)

Major Function:

SIP VoIP - 3G conversion.(SC-375-3G VoIP Terminal)

50 sets of LAN→3G MOBILE routes setting, 50 sets of 3G MOBILE→LAN routes setting.

Voice response for setting and status (dial in from 3G mobile).

For call termination (VOIP to 3G) & origination (3G to VOIP).

Standard SIP (RFC2543, RFC3261) protocol, communicates with other gateway or PC (Softphone)

All functions to be set on 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.711a-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-375 series:

1. CDMA VoIP Gateway SC-375C: 800MHz CDMA,Supports CDMA 2000 1*TT Air Interface,Backward compatibility from IS-2000 to IS-95A/B,Support Voice for both 13k QCELP and EVRC,Supports both full rate and 1/8 gating on the reverse link

2. 3G VoIP Gateway SC-375-3G: UMTS 2100MHz (WCDMA, 3G) (Voice only)

3. GSM VoIP Gateway SC-375:

Frequency:

Quad band: 900/1800/850/1900MHz