No, there is no need to dial a special number. Making and receiving calls with the VoIPBusiness service is the same as with a standard telephone/mobile. For calls within the UK you have to dial the full number including the area code and for international calls dial 00 followed by the country code. To dial other VoIPBusiness users, simply dial their VoIPBusiness ID from your VoIP Phone. All calls to other VoIPBusiness users are absolutely free.
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