Everything about yeastar dubai, gsm gateway, analog voip gateway, pbx, module
TG400 is really a compact 4 channels VoIP GSM gateway that connects GSM network with VoIP. it truly is the ideal creation for little and medium-sizedcorporations with major burdens of calls to mobile networks. The cost-preserving Alternative can make relationship much less expensive and efficient. Yeastar TG400 GSM Gateway is an advanced solution