VoIP Online Billing Platform Welcome. To enter the Online Billing Platform please click  here ... SIP Softphone download, here ... VoIP Dailing instructions For all International calls you dial like this: Country code  only  - sample:  country code + area code + number USA and Canada  dial  always 1 + area code + number VoIP DID - dail only the country code + area code + number VoIP Extention - dial only the four digit extention. Country Calling Codes please enter here