GOIP GSM Gateway bridges the GSM services and the IP networks. It is ideal for VoIP to wireless services where a fixed telephone line (PSTN) is not available or for cell phone roaming via the VoIP network.
GOIP GSM Gateway is designed to work in conjunction with key phone systems and IP-PBX to provide GSM communications. The extensive compatibility of the GOIP makes it an ideal choice to be deployed in multi-vendor open architecture VoIP networks.
GOIP GSM Gateway is a great way to provide fast phone service deployment where regular PSTN line may not be readily available. GoIP GSM gateway also provides significant savings in usage (long distance or international), infrastructure and maintenance cost compared to conventional PSTN.
Benefits of GOIP:
Extensive product compatibility with industry leading vendor
Cost-Savings on phone calls between mobiles or to PSTN
Easy to install – IP device with Web based management interface
Can be managed and monitored remotely over Internet - a great service to offer to customers by system integrators
GOIPs can be grouped together to establish GSM gateway cluster
Termination between GSM/VoIP
Schedule or on-demand SMS Broadcast messages to users
(Additional SMS server is required)
Key Features:
Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
Single Server Registrations
SIP peer-to-peer mode
SIP proxy mode
GSM module – 850MHz, 900 MHz, 1800 MHz, 1900MHz
Advanced jitter buffer
VLAN and QOS support
NAT Transversal
Call forward from GSM to VoIP and VoIP to GSM
Password or Trust list protection for dial in mode and dial out
Comprehensive dial Plan
Retransmit GSM Caller ID to VoIP terminal
Dynamic selection of CODECS
Echo cancellation for Speakerphone
Comfort noise generation (CNG)
Voice activity detection (VAD)
Firmware upgrade from GUI

1) A VOIP gateways
2) DC transformer DC12V / 2A
3) One Ethernet cable (2 M)