Osool Telcom Solutions, Inc. strives to make VoIP more mainstream by helping VoIP service providers prepare for the challenges that are just now emerging on the horizon.
Osool helps them do this by enabling them to outsource their complete VoIP back-e
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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