The service allows you finding out who has called you, when the telephone line was busy, switched off or was outside the zone of coverage. By doing so, it ensures that an important call will not be missed.
VoIP Thailand is the No.1 PABX IP-Telephony Solutions provider for small, medium & enterprise businesses in Thailand. Cloud IP-PBX systems for office & call centers. Find out more at www.voip-thailand.com
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