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BE562754A
(enrdf_load_stackoverflow)
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WO1992014335A1
(fr)
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Telecopieur a communications diverses
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EP0677945A1
(fr)
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Système de télécopie à communication sans fil
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KR100383582B1
(ko)
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음성 인터넷 프로토콜 게이트웨이를 위한 아날로그 전화회선 자동 전환 시스템
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US6269094B1
(en)
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Telephone terminal and method of telephone communication between a calling terminal and a called terminal for optimizing a cost reduction of calls
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JPS6337547B2
(enrdf_load_stackoverflow)
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US3553373A
(en)
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Manual rerouter system for telephone subscriber station with combined conference call feature
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FR2622380A1
(fr)
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Systeme de distribution de lignes telephoniques pour un poste telephonique simple
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BE528427A
(enrdf_load_stackoverflow)
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BE391036A
(enrdf_load_stackoverflow)
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KR930003233Y1
(ko)
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송수화기 방치시의 전화기수신유지회로
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FR2681208A1
(fr)
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Installation d'interphone avec un poste de porte et avec au moins un poste vocal interieur.
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SU562944A1
(ru)
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Устройство дл подключени приемника информации к линии атс
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JP2615029B2
(ja)
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加入電信網用加入者線インタフエース回路
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FR2809910A1
(fr)
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Dispositif de raccordement telephonique
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BE456230A
(enrdf_load_stackoverflow)
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BE479166A
(enrdf_load_stackoverflow)
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US1209834A
(en)
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Telephone-exchange system.
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BE413277A
(enrdf_load_stackoverflow)
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BE570574A
(enrdf_load_stackoverflow)
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JPH0481910B2
(enrdf_load_stackoverflow)
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KR20050093445A
(ko)
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음성 사서함에 연결된 착신 불가 호에 대한 발신 정보제공 방법
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JPH01216658A
(ja)
|
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電話回線における通話回線切り替え装置
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BE514857A
(enrdf_load_stackoverflow)
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BE516205A
(enrdf_load_stackoverflow)
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