8 ports GSM VOIP Gateway

Overview：

Baudcom VoIP GSM Gateway is for operators, enterprises, SOHO, virtual operators to offer affordable VoIP solutions. It is a full-featured IP-based GSM wireless network of VoIP gateways, which can provide stable network configuration, powerful features, good voice quality. This GSM Gateway uses the industry's popular chip technology to support E1, GSM\CDMA, SIP, IMS interface, supports maximum 4 E1\T1, 104 GSM\CDMA, 128 SIP trunking. Our GSM gateway is not only full compatible with Asterisk and other leading soft switch, but also is a cost-effective gateway for call termination (VoIP to GSM) and origination (GSM to VoIP).

Features:

Multiple access way

·NGN/IMS/PSTN;

·GSM trunk;

·E1 port, support ISDN PRI, SS7, R2, V5.2, Q.SIG, DPNSS;

·IP trunk which is based on SIP and IMS;

System Functions

·Rotation of 8 SIM cards;

·Gain for the entire port;

·Selection of DTMF modes;

·Lock SIM card;

·Modification of PIN and IMEI;

·Anonymous calls;

·Sending / receiving SMS;

·Available for custom IVR recording;

·Black and white lists;

·Support one number-pass and open API;

·USSD;

·Support automatically selecting networks;

·Support Hot line and BCCH.

Management and maintenance methods

·Local and remote WEB management;

·Local and remote Telnet command line management;

·Console port - super terminal management;

Voice processing technology

·Voice Activity Detection (VAD);

·Comfort Noise Generation (CNG);

·Echo cancellation (Echo Cancellation);

·Dual-tone multi-frequency signals (DTMF) generation / detection;

·Caller ID (Caller ID) generation detection;

·Flexible input / output gain control;

Simple and convenient management/maintenance

·The way of management on software:

Local and remote WEB; Local and remote Telnet; Console port-Super terminal;

·On hardware, with rack design, they can be installed in the standard 19 inches rack, also can be separately installed in a small machinery room. (In a standard 19 inches rack, BD-GSM-320W is 1U height, BD-GSM-640W is 2U height, and BD-GSM-930W is 3.5U height.)

Physical Specification

Application Topology:

Question: Does the GSM VOIP support imei exchange and humain behavour ? and automatic sim change and avoid sim blocking?

Answer: The GSM voip gateway support the imei. Our device's one slot for one SIM card,if the card without money,the channel will be stopped.Our GSM VOIP gateway don't support the automatic SIM change.