NOT KNOWN DETAILS ABOUT YEASTAR DUBAI, GSM GATEWAY, ANALOG VOIP GATEWAY, PBX, MODULE

using a VoIP GSM/3G/4G Gateway, you could enjoy the advantages of the mobile community, like mobility and protection, while nevertheless being able to make use of your existing cellular phone method. as an alternative to changing your current phones or fax machines, this gateway permits you to combine them into your VoIP telephone procedure or IP