addpac 32 port gsm gateway

Supports maximum 32- port GSM interface
Flash Memory: 512MB, DDR2 128MB
GSM voice interface module : 4-Port GSM Module
Analog/Digital voice interface module: 8-Port FXS VoIP Module, 8-Port FXO VoIP Module, 4-Port FXS 4-Port FXO VoIP Module, Digital E1/T1 Voice Module
Two(2) port 10/100Mbps fast Ethernet interface
SIP, H.323, MGCP concurrent triple stack
Support Voice Processing Features
- VAD, DTMF,CNG,G.168, and T.38 G3 Fax Relay
- G.723.1,G.729A,G.711 Voice Compressions
High-performance IP-Routing Capability with Reliability
Static and IEEE 802.1Q VLAN Routing Protocols including VRRP
Traffic Queuing, and SNMP MIB v2 for Network Management Features
Standard & Extended Access List for Security Functions
Essential Scalability Features such as DHCP Server & Relay, NAT/PAT, IEEE Transparent Bridging, IP Accounting, and Debugging/Diagnostics, etc.
- DNSProxy Support
- UPnP Support
- MAC Address Filter Service

more info :01779853558