GRNVoip United States
General office
GRNVoip
Varick St.
New York
New York ,10013
United States
Phone: 212 803 1724
Site: http://www.grnvoip.com
GRNVoip
Varick St.
New York
New York ,10013
United States
Phone: 212 803 1724
Site: http://www.grnvoip.com
- International VoIP Wholesale Provider
- Call Routing VoIP Solutions
- Cisco Systems
- Custom Open Source Billing Solution
“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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