User manual for the Siemens Profiset 1800 digital telephone, covering features, operation, menu settings and programming keys.
The Profiset 1800 is a multifunction digital telephone designed for HiPath 1800 group telephone exchange systems. It offers full‑duplex hands‑free, a two‑line LCD display, bilingual Chinese/English interface and 20 programmable keys with LED indicators.
The manual explains how to connect the phone to the exchange, describes each key function, provides detailed menu guides for system and extension settings, and includes service and troubleshooting information. This manual is written in Chinese.
| Programmable keys | 20 keys with LED indicators |
|---|---|
| Display | 2‑line LCD screen |
| Language interface | Chinese and English bilingual interface |
| Hands‑free | Full‑duplex hands‑free function |
| User‑defined functions | Supports up to 60 custom functions |
Set a hotline number in the menu; after picking up the handset, the phone will dial the preset number automatically without dialing.
The phone can store up to 60 user‑defined functions across its programmable keys.
Enter the menu → 2 分机设置 → 2.1 振铃音选择 and input the desired frequency value.