We are a provider of a technology called VoiceOverIP or VOIP. This technology allows you to make phonecalls though the internet which cuts out the need for your standard phone line. Because it cuts out your phone operator, it means it saves you money on y
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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