If you need to do custom labels for your Grandstream phones (2160, 2130, 2124, 2120, 2020, and gxp110x) you can do so from this official document from Grandstream. Their site does not make it easy as it should be to access this resource so if you need a copy, get the zip files here. GXP Phone Labels (ZIP with multiple PDF templates)
Grandstream Phones Labels
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