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
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 standard!
Open standards (e.g. SIP and IAX) are fully supported so your investment is protected. Our technology is provided with a wide choice of business telephone equipment, including major names such as Cisco, Polycom and Snom, providing long term future upgrade paths at minimal cost!
River City Internet Group, LLC, (RCIG), is a Missouri Corporation that holds seven unique operating companies that deliver IP based services enabling Residential, Enterprise and Carriers with front office, backend, connectivity and management technologies
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