telecommunication terminal
type: Concept
preferred label: پایانه مخابراتی @fa
related: telephone set

mobile handsets
type: Concept
broader: telephone set
preferred label: گوشی تلفن همراه @fa

telephone set
type: Concept
alternative label: telephones
broader: telephone equipment
narrower: mobile handsets
preferred label: دستگاه تلفن @fa
related: telecommunication terminal
related: acoustoelectric transducer
related: earphone
scope note: telephones

telephone equipment
type: Concept
narrower: telephone set
preferred label: تجهیزات تلفن @fa

earphone
type: Concept
preferred label: گوشی @fa
related: telephone set

acoustoelectric transducer
type: Concept
preferred label: تراگذار برقاصوتی @fa
related: telephone set