GXP21xx Series

GXP21xx User Guide
Click this link to find the latest GXP21xx User Guide. http://www.grandstream.com/sites/default/files/Resources/gxp21xx_user_guide.pdf
Thu, 17 Oct, 2019 at 2:02 PM
How to transfer calls on the GXP21xx
HOW TO DO CALL TRANSFERS on GXP21xx: You are in a call and wish to transfer the call to another extension number.   BLIND TRANSFER: 1.)...
Tue, 22 Oct, 2019 at 12:21 PM
How to factory reset GXP21xx phones?
Why do we need to factory reset the device? Normally, the Velox IP phones from Grandstream are set to auto-provision (automatically download updated device...
Fri, 15 Jul, 2022 at 5:19 PM