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US5255315A
(en)
|
|
Method of rerouting telecommunications traffic
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JPH07203081A
(ja)
|
|
情報サービスシステムと情報サービスの提供方法
|
|
JPH07154511A
(ja)
|
|
情報サービスシステムとその使用方法
|
|
US6628769B1
(en)
|
|
Intelligent network
|
|
CZ104497A3
(en)
|
|
Switched network and a telecommunication system containing such switched network
|
|
US4782508A
(en)
|
|
Method of discouraging the completion of wrong-number calls
|
|
CA2146186A1
(en)
|
|
Enhanced efficient telephone number portability
|
|
US6289088B1
(en)
|
|
Pay phone call completion method and apparatus
|
|
BE374732A
(enrdf_load_html_response)
|
|
|
|
CH395200A
(fr)
|
|
Installation de sélection d'un central de télécommunication automatique
|
|
WO2002003171A2
(en)
|
|
Method and system for providing caller identification for an unidentified calling party
|
|
US5652753A
(en)
|
|
Digital telephone
|
|
GB208509A
(en)
|
|
Improvements in or relating to telephone systems
|
|
US6256380B1
(en)
|
|
Methods for processing operator service system calls
|
|
CA2200631C
(en)
|
|
Security station receiver
|
|
US2966551A
(en)
|
|
Public announcing system
|
|
BE373049A
(enrdf_load_html_response)
|
|
|
|
EP1493166B1
(en)
|
|
Relay and cross-connect
|
|
BE374766A
(enrdf_load_html_response)
|
|
|
|
BE501256A
(enrdf_load_html_response)
|
|
|
|
BE531767A
(enrdf_load_html_response)
|
|
|
|
CH293577A
(fr)
|
|
Installation de télécommunication.
|
|
JPS6367096A
(ja)
|
|
構内電話交換機
|
|
BE469508A
(enrdf_load_html_response)
|
|
|
|
BE464330A
(enrdf_load_html_response)
|
|
|