Everything about yeastar dubai, gsm gateway, analog voip gateway, pbx, module
TG400 is actually a compact 4 channels VoIP GSM gateway that connects GSM community with VoIP. it can be The best creation for tiny and medium-sizedcorporations with hefty burdens of calls to cellular networks. The cost-preserving Alternative tends to make connection more cost-effective and productive. in lieu of replacing your present telephones