Teleservicios VoIP Argentina
- Internet VoIP and Video Conferencing Service Provider
- Installation and Support Services
- Cisco Systems
- Trabas
“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
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