Click this link to find the latest GXP21xx User Guide.
http://www.grandstream.com/sites/default/files/Resources/gxp21xx_user_guide.pdf
GXP21xx User Guide Print
Created by: Kate Academia
Modified on: Thu, 17 Oct, 2019 at 2:02 PM
Did you find it helpful? Yes No
Send feedbackSorry we couldn't be helpful. Help us improve this article with your feedback.