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  1. Masiero
  2. Help with Phones
  3. Desk and Cordless Phone FAQs

Desk and Cordless Phone FAQs

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  • 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?
  • How do I turn on or turn off Do Not Disturb on my phone?
  • Grandstream GXP21XX Series - Bluetooth Setup / Compatibility
  • How do I transfer a call on my phone?
  • How to connect Cordless Handset to Base Station
  • How do I intercom another extension?
  • How do I reboot or factory reset a GXP14XX desk phone?
  • What can I do if I experience call quality issues?
  • How can I change the layout of my one-touch buttons on my GXP21xx series phone?
  • What should I do if I have a complete phone/network outage?
  • How do I manage call forwarding on my phone?
  • What is the difference between blind and attended transfer?
  • How do I manage contacts in my address book on my GXP21xx phone?
  • How do I factory reset my Grandstream phone?
  • How do I start a new call when I am already on a call?
  • How do I see call history on my Grandstream phone?
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