telecommunication services
preferred label: خدمات مخابراتی @fa
type: Concept
narrower: telegraphy

radiotelegraphy
preferred label: رادیوتلگرافی @fa
type: Concept
broader: telegraphy

telecommunication computing
preferred label: رایانش مخابرات @fa
type: Concept
related: telegraphy

electronic messaging
preferred label: پیام الکترونیکی @fa
type: Concept
related: telegraphy

teleprinter
preferred label: دورچاپگر @fa
type: Concept
broader: telegraphy

telecommunication control
preferred label: کنترل مخابراتی @fa
type: Concept
related: telegraphy

office automation
preferred label: خودکارسازی اداری @fa
type: Concept
related: telegraphy

telegraphy
preferred label: دورنگاری @fa
broader: telecommunication services
related: office automation
related: telecommunication computing
related: subscriber loop
related: telecommunication control
related: electronic messaging
narrower: teleprinter
narrower: radiotelegraphy
type: Concept
alternative label: telex

subscriber loop
preferred label: گره مشترک @fa
type: Concept
related: telegraphy