GB180103A - - Google Patents

Info

Publication number
GB180103A
GB180103A GB180103DA GB180103A GB 180103 A GB180103 A GB 180103A GB 180103D A GB180103D A GB 180103DA GB 180103 A GB180103 A GB 180103A
Authority
GB
United Kingdom
Prior art keywords
relay
operator
line
trunk
ringing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
Other languages
English (en)
Publication of GB180103A publication Critical patent/GB180103A/en
Active legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
GB180103D Active GB180103A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB180103A true GB180103A (enrdf_load_stackoverflow)

Family

ID=1733570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB180103D Active GB180103A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB180103A (enrdf_load_stackoverflow)

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