采用電話線作為傳輸介質(zhì)，利用單片機與PC 機之間的串行通信及電信部門提供的來電顯示業(yè)務(wù)自動撥號電話報警，并由PC 機接收和處理報警信息，采用可視化編程軟件
VB，可以做到使系統(tǒng)功能豐富、方便使用。本文介紹了具有上述功能的電話報警系統(tǒng)的組成及軟硬件的實現(xiàn)方法。
關(guān)鍵詞：電話報警；來電顯示；單片機；PC 機

Abstract： In this paper ,the phone line is taken as transmitted medium to alarm by dialing a number automatically ,using serial communication between SCM and PC and CID service supplied by telecom department . And the alarm information is received and disposed by PC, using the visual programmed software VB, to make the system multifunction and using convenience. The paper introduces the composing of telephone-alarm-system with above-mentioned functions and realizable methods of software and hardware.
Key words: telephone-alarm ；CID；SCM； PC