Description

ICS TopGSM Series Analog GSM Gateway comes with 1/4/8 ports and provides a cost- effective alternative for fixed-to-mobile telephone calls. They are compatible with any PBX system or analog phones. TopGSM Series GSM analog gateway is used for connecting with the FXO ports of an analog VoIP gateway. With the use of the TopGSM gateway, inbound VoIP calls destined for GSM handsets and calls originating from GSM handsets can be sent to or received from the GSM handsets by the VoIP gateway without having to route the calls through the local PSTN thus eliminating the cost of paying the local wireline telephone exchange for the unnecessary switching.