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Multimedia conferencing using parallel networks
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Access to extended telephone services via the internet
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Telecommunication display system
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Automatic voice/text translation of phone mail messages
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Method and apparatus for providing a station set with advanced telecommunications services
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URL notification device for portable telephone
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Mobile branch exchange
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Call management system
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원격 통신 스위칭 시스템에서의 광고 메시지 전송방법
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Milne
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Stages of universal service policy |
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GB2361831A
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Telephone system with programmable line appearances
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Method and apparatus for network independent initiation of telephony
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(fr)
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Passerelle de telecommunication entre un reseau prive et un reseau mobile
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Improvements related to telephones
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Computer telephone integration server with dial-up network access
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Method and system for computer-based private branch exchange
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Imran et al.
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Conferencing, paging, voice mailing via Asterisk EPBX |
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FR2505123A1
(fr)
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Systeme de telecommunications a integration de services par interconnexion de commutateurs et reseaux specialises
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Real-time two-way communication connection method integrated with web page
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System for saving network telephone fees and operating method thereof
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KR20040051662A
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웹폰과 게이트웨이(인터넷전화장비)가 연결된 사설교환기와의 연동을 통한 무료상담전화 시스템
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