Unifast Information United Kingdom
- International VoIP Wholesale Provider
- Phone To Phone
- Cisco Systems
- Billing system of own development
Is often met in business practice, during calls to organizations at the moment, when the call is transferred to another number or is set on hold, one hears a music in the telephone dynamics.
K2 Mobile
International Internet Telephony Service Provider.
K2 Mobile offer only Premium Service.
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