We specialise in the installation, configuration and maintenance of all sizes and types of Asterisk, VoIP, IP PBX, and Billing solution from basic small-business systems to enterprise-based solutions.
Netropolitan Works builds secure VOIP in Thailand Asterisk systems and can do it in a way that makes sense for your business! http://www.NetropolitanWorks.com/VOIP-Thailand-lp.html
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