Geography, asked by leelabhul123, 1 month ago

what is a full from of STD boot

Answers

Answered by itzPapaKaHelicopter

$\sf \colorbox{gold} {\red(ANSWER ᵇʸ ⁿᵃʷᵃᵇ⁰⁰⁰⁸}$

The introduction of these booths had been a revolution and seen quick adoption in every cities. ISD (International Subscriber Dialling) stands for International calls, STD (Subscriber's Trunk Dialling) for Inter-state calls and PCO (Public Call Office) for local calls.

Answered by MANRAMI25

Answer:

subscriber trunk dialing

Explanation:

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