Nortel IP Phone 1200 Series User Guide

About this manual

This guide covers regulatory and safety information, required power specifications, and installation guidelines for the Nortel IP Phone 1200 Series. It also describes the phone’s components, keys, display screen, and optional expansion modules.

The manual explains how to configure options, use the local tools menu, and operate the phone for call placement, answering, hold, hands‑free, headset, mute, and application functions. Detailed instructions are provided for each feature, along with troubleshooting tips.

What's inside

• Regulatory and safety information
• Phone components and keys
• Display screen
• Expansion modules
• Configuring options
• Using your IP Phone
• Call handling
• Handsfree and headset operation
• Mute key

Specifications

Frequently asked questions

What power source should be used with the Nortel IP Phone 1200 Series?

Use only the Nortel‑approved limited power source of 48 VDC at 520 mA.

How can you mute the microphone during a call?

Press G9 (Mute) to turn off the microphone; the Mute LED flashes while muted. Press G9 again to reactivate the microphone.