Help with Phones

Desk and Cordless Phone FAQs

• How do I reboot or re-provision a Grandstream GXP21xx phone?
• Grandstream DP720 - Charging & Battery Replacements
• How to initiate and manage conference calls - Polycom Trio 8500
• How to take a screenshot on Grandstream GXP21XX Series
• How to Perform a Conference Call - Grandstream GXP21XX
• How do I adjust the screen brightness on my desk phone?

See all 21 articles

Phone System FAQs

• What can I do to keep connected during bad weather or a power outage?
• How can I get a professional voice-over for my phone system?
• How can I record my own Auto-attendant/IVR for my phone system?
• Caller ID Spoofing / Neighbor Spoofing
• E911 (Enhanced 911) / E911 Registration Form
• Variable Call-Forwarding

See all 16 articles

Grandstream Phone Guides

• Factory Function - Audio Loopback
• Overview of Grandstream Phones
• Voicemail: Access and Manage
• What is call parking, and how can I use it?

Headset Guides

• How to Setup and Use Your Platronics Headset
• What headset would work best with my GXP21XX series phone?

Softphone Guides

• ZoiPer 5 (Windows & macOS): Activate and Configure
• ZoiPer 5 (Windows & macOS): Download and Install
• Zoiper 3 - Registering an Extension
• ZoiPer 5 (iOS): Download, Install, and Configure
• ZoiPer 5 (Android): Basic Features
• 403 Forbidden Error

See all 11 articles

Masiero Voice Gateways

• Call forwarding via a Masiero Voice Gateway