- common battery signalling
- вызов телефонной станции с центральной батареей
Англо-русский железнодорожный словарь. 2013.
Англо-русский железнодорожный словарь. 2013.
Signalling (telecommunications) — In telecommunication, signalling (UK spelling) or signaling (US spelling) has the following meanings: *The use of signals for controlling communications. *In a telecommunications network, the information exchange concerning the establishment and… … Wikipedia
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