Yeastar TG200
Contact usYeastar TG200 VoIP GSM Gateway connects GSM or WCDMA to VoIP networks to provide two-way communication: GSM/WCDMA to VoIP and VoIP to GSM/WCDMA. This allows you to connect most IP-based telephone systems including Yeastar IP Phone Systems, and soft switches to a GSM or WCDMA; which can provide a sophisticated fallback solution when landlines go down, or be used to increase call traffic capacity by providing additional dial-tone.
Asterisk
Microsoft Lync
Trixbox
Elastix
FreeSWITCH
3CX