Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
Aurora Communications, Ltd. - is an international telecommunication operator. The Holding is founded in 1999 and now includes the following companies: Aurora Communications UK, Aurora Communications USA, Infotel Data Communications and TASS-INFO (joint ve
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