Phone to Phone
It is a type of communication between two ordinary phones, which are connected and voice transmits over telecommunication network.
Let’s look at Grandstream ATA HandyTone-502 Analog Telephone Adapter the latest product in the HandyTone ATA series and Grandstream VoIP product line.
Cascade Communication Technology
Cascade Communication Technology Co. (aka. vocee) has a mission to provide free voice communication to global customers over internet. As one of pioneers in VOIP (voice over IP), vocee provides the solutions and services to manage and deliver phone calls
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