32 Channels Gsm VOIP Gateway with Imei changer

32 Channels Gsm VOIP Gateway with Imei changer
 

Product description:

GnexGN-VG032S-32G/ C VoIP Gateway is a multi-functional product used to effectively implement the smooth transition between PLMN (GSM) and VoIP network. The GSM/ CDMA VoIP gateway is designed for comfort, ease-of-use to satisfied necessary of customers. It is not only inherits tradition of quality voice communication over IP network but reduce the human resource of VoIP network deployment. It's a cost-effective gateway for call termination (VoIP to GSM) and origination (GSM/ CDMA to VoIP) . It is fully compatible with leading soft switch and SIP server.

Features
• 32 GSM/ CDMA ports
• GSM: quad-band 850/900/1800/1900MHz; CDMA: 800 MHz
• Support SIM bank/ SIM server
• Web-based SMS/ SMSC and USSD, open API
• Support digit map, flexible dial rules
• Manual / automatic selection operators
• Syslog way output tracking information
• IP/ Password based white/ blacklist
• Voice prompts, HTTP Web support for configuration and updates
• BCCH management
Specification
Interfaces
• Mobile Ports: 32 ports GSM/ CDMA channels
• LED Indicators: Power, Run, Signal strength indicator
Voice Processing
• Voice Packet Capabilities: G. 168 with 32, 64 or 128 ms tail length
• Voice Codec: G. 711a/ u law, G. 723.1, G. 729AB
• QoS: Diff Serve, ToS, VAD, PLC, CNG
Call Features
• Calling Type: Terminate/ Originate calls
• IVR Voice Prompt: Two stage dialing, Private service IVR
• Call handling: One stage dialing, Configurable dial plan
• DTMF: RFC2833, SIP, INFO
• Routing rules: Port Group, IP Group, up to 32 routing rules
Mobile Features
• General Feature: SMS/ SMSC, USSD, IMEI/ PIN modify, Call minutes restriction, Carrier select, BCCH, Reversed Polarity
Network
• Network Mode: NAT router or switch mode
• Network Protocols: IP, TCP, UDP, TFTP, FTP, RTP, RTCP, ARP, RARP, ICMP Ping, NTP, SNTP, Http, DNS, PPPoE, DHCP
• NAT traversal: Static NAT, STUN
Protocol
• Protocol: SIP V2.0 RFC3261
• SIP Characteristics: By port/ device registration, Two 183 mode
Configuration Management
• Web GUI: Configuration, firmware upgrade, call status, Configuration backup/ restore