This handy reference is a guide to basic operation of the Grandstream GXP2140 series telephones.

Operations include:

• Using the Headset or Speaker
• Making a Call
• Redial
• Answering Calls
• Ending a Call
• Call Hold/Resume
• Call Transfer
• 3-Way Conference
• Voicemail Retrieval
• Microphone Mute
• Volume Adjustment