32 Channels GSM Gateway
Key Features
Call from VoIP to GSM or GSM to VoIP
Bulk SMS
Auto check balance and recharge
Remote SIM Control
Outbound call from voip
Inbound call from gsm
Remote management
Physical Features
GSM Channels:32 ports
Power Adapter: DC12V/4.5A
CPU: ARM11/700MHz
RAM: 128M
Flash: 8M
GSM Frequency: 850/900/1800/1900MHz
Max power consumption: 38W
Net weight: 1.7KG
Size: 36.2*21*6.5cm
Operating Tempreture: 0-45℃
Working Humidity: 10%-90% non condensation
Soft Features
VoIP Protocols: SIP V2, H.323 V4
Audio Codecs: g711(alaw/ulaw), g729, g723.1
DTMF format: SIP INFO, RFC2833, Inband
Packet Loss Concealment
Programmable Jitter Buffer: Fixed, Dynamic, Adaptive
Network Connection: DHCP, PPPOE, Static IP
STUN Server
Support English, Chinese
Support Signaling encryption
Support media encryption
Support Media NAT Traversal
Support Remote control