We offer inbound calls services to El Salvador through VoIp technology.
Very Simple... you only connect to our gateway and send calls to terminate in El Salvador.
We have E1´s digital voice.
The Callcentric service provides consumers and businesses around the world with the benefits of cost savings and high quality phone calls using Session Initiation Protocol (SIP) which is a type of Voice over Internet Protocol (VoIP). Using software on you
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