An opportunity to use the other connection line if the usual line is engaged.
Servicios y Soluciones IP
Hardware (IP Gateways, Tecnología GSM y Sim Server, Switches, Routers, Teléfonos IP, Adaptadores, Gateways SS7) Software (Softswitch, Billing Software, Tarificadores, IVR’s, Soluciones en Hosting) Soluciones IP PBX basado en ASTERISK, Líneas 1800 in
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