Detailed Product Description

MV-374 is a 4 channels VoIP GSM / UMTS Gateway for call termination (VoIP to GSM ) and origination (GSM to VoIP). It is SIP based and compatible with Asterisk,SIP Proxy Server,VoipBuster. It can enable to make 4 calls simultaneously from IP phones to GSM networks and GSM network to IP phone.
Major function:
1. VOIP (sip) , GSM/UMTS conversion.

2. 50 sets of LAN--> mobile routes setting, 50 sets of mobile--> LAN routes setting.
3. Voice response for setting and status (dial in from mobile) .
4. For call termination (VOIP to gsm) and origination (gsm to VOIP) .
5. Standard sip (rfc2543, rfc3261) protocol, communicates with other gateway or pc
6. All functions can be set on web.

7. SMS Sending and SMS Receiving

Specification:
1. Protocols: sip (rfc2543, rfc3261)
2. 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
3. Codec: g. 711 u-law, g. 711 a-law,  g. 729a, g. 729a / b, voice quality, vad, cng, aec, lec, packet loss
4. Frequency
Quad Band:850/900/1800/1900MHZ
3G/UMTS: for all world and Japan (SoftBank Mobile,NTT DoCoMo)
3G:EDGE/GPRS 850, 900, 1800, 1900 MHz / HSDPA/UMTS 850, 1900, 2100 MHz
CDMA 2000(800MHZ/1900MHZ)