42 pages874.67 Kb
Grandstream Networks GXP21XX manuals
Communications > IP Phone
When we buy new device such as Grandstream Networks GXP21XX we often through away most of the documentation but the warranty. Very often issues with Grandstream Networks GXP21XX begin only after the warranty period ends and you may want to find how to repair it or just do some service work. Even oftener it is hard to remember what does each function in IP Phone Grandstream Networks GXP21XX is responsible for and what options to choose for expected result. Fortunately you can find all manuals for IP Phone on our side using links below.
Grandstream Networks GXP21XX User Manual
42 pages823.37 Kb