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.
Caspian Co., Ltd was established in Tokyo in 1994, and authorized by Ministry of Post & Telecommunication of Japan as (Tire II) International carrier, and provide low international and domestic long distance rates, with the name of Global Super Tel.
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