Phone to Phone
It is a type of communication between two ordinary phones, which are connected and voice transmits over telecommunication network.
Analog Adapter – this is a device used for connecting one or several standard analogue telephones to digital telephone communication systems (for example, VoIP) or non-standard telephone systems.
Avop Direct
Advanced Voice Order Processing System (AVOP) is a wholly owned subsidiary of Nettel Holdings, Inc. By joining AVOP Direct, carriers and service providers will be able to avoid the time and expense of negotiating and managing one-time agreements with othe
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