VoIP GSM Gateway

Yeastar VoIP GSM Gateway is a device for connecting GSM Network to VoIP Network directly, which can support two-way communication: GSM to VoIP or VoIP to GSM.
It is the best solution ever to connect IP-based telephone systems, soft switches, and IP-PBXs to GSM network.

Benefits
1) Cost Savings ¨C Cost-Savings on phone calls between mobiles or to PSTN.
2) Back up ¨C Should the landline network go down, GSM can be used as a cost-effective backup.
3) Easy to install ¨C IP device with Web based management interface.
4) Easy to integrate.

Specification
Features

Protocol: SIP(RFC3261),IAX2
Interface: Up to 4 GSM channels
1) Quad-Band GSM/GPRS850/900/1800/1900MHz
2) Support external antenna

DTMF:
RFC2833, SIP INFO, In-band

Codec:
G.711 a/u-law, G.726, G.729 A, GSM, Speex.

SIP proxy Registrar for IP phones included
Intelligent incoming call routing and outgoing call routing
DISA for incoming calls from GSM
Top voice quality (EFR super sound)
Simple web based configuration
LCR (Least Cost Routing) full support
Easy to integrate
Easy to installl