Let’s look at Grandstream ATA HandyTone-502 Analog Telephone Adapter the latest product in the HandyTone ATA series and Grandstream VoIP product line.
We are offering Reseller Level-I,II,III with high Quality.
We have Mobile Dialer, GPlex Dialer, SIP Dialer, Eazzy Dialer.
If you are doing VOIP Business in Middle East KSA, Oman, Dubai and other country you can contact with me.