8 Port GSM Gateway with 8 SIM Card,can with our sim bank together use ,can realize remote control ,easy change the sim card and account charge.

key feature:
VoIP Machine/GSM Gateway
1.GSM-VoIP;VoIP-GSM
2,Relay encryption
3.Frequency 850/900M/1800M/1900
4.NAT;Router function
5,Support IMEI Change
Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
Single or Multiple Server Registrations
Two 10/100 Ethernet circuits connect to the LAN and an additional device
GSM module for making GSM calls
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
VLAN and QoS support
NAT Transversal and Router functions
Voice prompts, HTTP Web, Auto Provision support for configuration and updates
Highly stable embedded Linux operating system in high performance ARM 9 Processor

Be Sociable, Share!

•