“Call filter” allows blocking/unblocking the incoming calls as easy as to make filtration, it also journalizes all rejected calls. It is very convenient if you do not want to receive a call from some subscribers, when they will call you, “Call filter” will do so that your line is engaged.
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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