Sunapemobil Romania
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- Collaboration
- Partnering for Origination and Termination
- PC to Phone
- Phone To Phone
- SIP VoIP Gateway
- Termination
- Web To Phone
- Audiocodes
- Cisco Systems
- QiiQ
- another
“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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