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US5255315A
(en)
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Method of rerouting telecommunications traffic
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JPH07203081A
(ja)
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情報サービスシステムと情報サービスの提供方法
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JPH07154511A
(ja)
|
|
情報サービスシステムとその使用方法
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US6628769B1
(en)
|
|
Intelligent network
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CZ104497A3
(en)
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|
Switched network and a telecommunication system containing such switched network
|
|
US4782508A
(en)
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|
Method of discouraging the completion of wrong-number calls
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CA2146186A1
(en)
|
|
Enhanced efficient telephone number portability
|
|
US6289088B1
(en)
|
|
Pay phone call completion method and apparatus
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|
BE374732A
(enrdf_load_html_response)
|
|
|
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GB208509A
(en)
|
|
Improvements in or relating to telephone systems
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|
CA2323908C
(en)
|
|
Methods for processing operator services system calls
|
|
US3643224A
(en)
|
|
Centralized message assembler
|
|
US2087398A
(en)
|
|
Automatic switch for use in telephone or like systems
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|
US2966551A
(en)
|
|
Public announcing system
|
|
BE373049A
(enrdf_load_html_response)
|
|
|
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EP1493166B1
(en)
|
|
Relay and cross-connect
|
|
BE374766A
(enrdf_load_html_response)
|
|
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BE501256A
(enrdf_load_html_response)
|
|
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BE531767A
(enrdf_load_html_response)
|
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|
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CH293577A
(fr)
|
|
Installation de télécommunication.
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|
KR100247677B1
(ko)
|
|
2-라인 및 키시스템 동작모드간을 선택하기 위한 전화 장치의 스위칭 회로
|
|
JPS6367096A
(ja)
|
|
構内電話交換機
|
|
BE469508A
(enrdf_load_html_response)
|
|
|
|
JPS6132695A
(ja)
|
|
分散形電子交換機のル−ト選択方式
|
|
BE464330A
(enrdf_load_html_response)
|
|
|