Help with Phones
Desk and Cordless Phone FAQs
- How do I reboot or re-provision a Grandstream GXP21xx phone?
- How to take a screenshot on Grandstream GXP21XX Series
- How to Perform a Conference Call.
- How do I adjust the screen brightness on my desk phone?
- How do I turn on or turn off Do Not Disturb on my phone?
- Can I use Bluetooth on my desk phone?
Phone System FAQs
- What can I do to keep connected during bad weather or a power outage?
- How can I change the music on hold for my Masiero Voice Service?
- How can I get a professional voice-over for my phone system?
- How can I record my own greetings for my phone system?
- VoIP Router/Gateway Requirements
- If a call is ringing on another phone, can I answer it with my phone?
Grandstream Phone Guides
Headset Guides
Softphone Guides
- Zoiper Mobile (iOS): Quick-Start Guide
- Zoiper Mobile (Android): Basic Features
- 403 Forbidden Error
- VoIP Bandwidth Requirements
- VoIP on Non-Masiero Voice Networks
- A Guide to ZoiPer Pro Mobile App for Android