Extentions
“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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J-Telecom
J-Telecom is the leading international telecommunications company providing international calls worldwide via SIM Cards. SIP Accounts and Bulk SMS Services
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