The gateway is an analog GSM/CDMA/WCDMA Cellular Gateway that helps directly interconnect a SIP-Supporting VoIP network with GSM/CDMA/WCDMA networks.
Call Control Protocols
SIP
Number of Channels
8 channels (32 SIM cards)
Frequency
GSM: 850/900/1800/1900MHz
CDMA: 450 or 800/1900MHz
WCDMA: 850/900/1800/1900/2100MHz
Voice CODECs
G.729A, G.723.1, G.711 a/ulaw
Network Protocols
IPv4, TCP, UDP, PPPoE, DHCP, DNS, NAT, Telnet, HTTP, FTP, TFTP
Configuration and Management
- Web-based GUI
- Console, telnet command line
- Centralized network management
Firmware Update
Local file, FTP, TFTP and HTTP
Message Features
SMS batch receiving/sending, AT command compatible
Telephony Features
- Hot-line call
- Dial plan
- Speed dial
- Phone book
- CDR
- White list
Telephony Signaling
- DTMF tone detection/generation
- DTMF relay: in-band, RFC 2833 and SIP info
- Call forward: unconditional, no answer and busy
- N-way conferencing
- Mobile Number Portability