bn:00032419n
Noun Concept
Categories: Local loop, All articles needing additional references, Telephony equipment, All articles needing rewrite, All articles with style issues
EN
extension  telephone extension  extension phone  extension telephone  Phone extension
EN
An additional telephone set that is connected to the same telephone line WordNet 3.0
English:
telephone
Definitions
Relations
Sources
EN
In residential telephony, an extension telephone is an additional telephone wired to the same telephone line as another. Wikipedia
Telephone line attached to a main line or to a PBX or Centrex system Wikipedia Disambiguation
term in telephony Wikidata
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
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