The Dongxun SD-DX1688/2488 digital telephone operation manual explains how to make calls, receive calls, transfer, conference, set passwords, broadcast, and…
This manual provides step‑by‑step instructions for operating the Dongxun SD‑DX1688/2488 digital telephone. It covers basic call handling, special features, and configuration settings for both single‑line and multi‑line environments.
Key topics include making external and internal calls, call transfer methods, three‑way conferencing, extension password management, broadcast functions, follow‑me settings, and various special internal call operations such as auto‑recall, busy‑line insert, and alarm scheduling. This manual is written in Chinese.
| Default extension password | 0000 |
|---|---|
| Total simple dialing groups per system | 1000 groups |
| Simple dialing group number ranges | Personal 500‑549, System 600‑699 |
Press the handset, dial "0" or an external line code (700‑723), then dial the phone number.
Press "400" on the handset and you will hear a beep indicating a full‑group broadcast.