This document provides an operation and usage guide for the Siemens HICOM 308i telephone system provided by Shanghai Xinzhi Jie Engineering Department. It includes functions such as making calls, redialing, call transfer, call pickup, three-way calling, call hold, call forwarding, call waiting, do not disturb, and phone lock.
This manual describes how to operate the HICOM 308i communication device. It covers basic functions such as powering on the unit, redialing, call transfer, recording, three‑way calls, hands‑free mode, and setting passwords.
Each function is presented with numbered steps and key codes. The document also includes additional operational details like special key combinations and troubleshooting notes for common usage scenarios. This manual is written in Chinese.