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International Audio Conferencing facilitate local, long distance, international audio conference calls to meet, collaborate, present and manage conferences from anywhere, anytime.

International Audio Conferencing service allows you to hold business meetings with several international clients, customers and business partners. Providing you with quality and reliability as top priorities.

Cheap International Calls. Call back, International call through using alias numbers.

The 3rd Generation Partnership Project (3GPP) is a collaboration between groups of telecommunications associations, to make a globally applicable third generation (3G) mobile phone system specification within the scope of the International Mobile Telecommunications-2000 project of the International Telecommunication Union (ITU).

Truphone is a free application that lets you make international mobile calls from your own phone over the internet at low rates

This article describes the steps taken by Office Communicator to establish a Communicator call between an OC client sitting on a typical home network, connected to the Internet using a NAT router and another OC client placed on the company's internal network.

With Vopium you don't change your mobile operator and you keep your SIM card. Right now we give you 30min air time FREE of charge to any international destination

When you travel to a foreign country, your mobile phone keeps working: you are roaming.\nThis site gives roaming provider costs in Europe

Roaming cost reduction using Maxroam system

JAJAH SIP trunk to OCS platform