电信

telecommunications

lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc

letter / mail / CL:封[feng1] / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random

electrical signal

central office / telecommunications office

landline (fixed-line) telecommunications

International Telecommunications Union / ITU

Arab Telecommunication Union

telecommunications network

wire fraud

China Telecom (Chinese company providing mobile phone service)

public telephone network