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.
Call-IP brings to you the last in technology VOIP is an integrated and economic form with savings of a 80% or more in your telephone calls. Call-IP has got an easey and economic implementation, it uses its broadband efficiently lowering its costs of commu
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