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.
Founded in 1997, ISPhone is one of the world`s first VoIP networks, with members all over the world. Our mission is to help service providers worldwide profit from the telecom revolution. ISPhone provides the network, termination, and billing services tha
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