Key facts
- Brand
- Grandstream
- Model
- GXP285
- Category
- Other device
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-11
Start here
Grandstream GXP280/GXP285 1-Line IP Phone Quick Start Guide
The GXP280/GXP285 is an entry‑level SIP phone with a 128 × 32 LCD screen, three programmable soft‑keys, and a single voice line. It offers high‑quality audio, basic telephony features, and compatibility with most SIP platforms, making it a cost‑effective choice for businesses.
The guide provides step‑by‑step instructions for mounting the phone on a wall or using the included stand, connecting power, LAN, and handset cables, and configuring the device via its web interface or keypad. Precautions, emergency‑service disclaimer, and keypad navigation tips are also included.
Grandstream GXP285 specifications
| LCD screen resolution | 128 × 32 |
|---|---|
| Number of lines | 1 line |
| Soft‑keys | 3 programmable soft‑keys |
| Power supply | 5 V DC adapter (included) |
| LAN port | RJ‑45 Ethernet port |
| Handset port | Phone cord connector |
Source: Grandstream GXP280/GXP285 1-Line IP Phone Quick Start Guide
All Grandstream GXP285 documents by type
The shortest path to a working setup, usually only a few pages.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Can the GXP280/GXP285 make emergency calls?
No. The phones are not pre‑configured for emergency services; you must arrange a separate telephone service for that purpose.
From: Grandstream GXP280/GXP285 1-Line IP Phone Quick Start Guide
Which power adapter should be used with the GXP280/GXP285?
Only the 5 V DC power adapter that comes with the phone should be used; other adapters may damage the unit.
From: Grandstream GXP280/GXP285 1-Line IP Phone Quick Start Guide
Does the GXP-280 support Power over Ethernet?
No, the GXP-280 does not support PoE, while other GXP models do.
How many extension units can the GXP-2000 support?
The GXP-2000 can support up to two extension units, providing up to 112 additional programmable extensions.