Bankai International is a leading carrier of VoIP based long distance international telephone calls and provider of retail prepaid calling card services. Bankai International provides high quality services of billions of minutes for international calls th
Bankai International is a leading carrier of VoIP based long distance international telephone calls and provider of retail prepaid calling card services. Bankai International provides high quality services of billions of minutes for international calls through Bankai International's VoIP Network.
Denphone K.K. is Japan's leading provider of open PC based VOIP Telephone PBX systems. Our PBX and telephony solutions are based on the Asterisk open source telephony architecture, and provide advanced features such as voicemail and conferencing as standa
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