# Phones Overview
Please select the your phone from the list below to access the user guide for your phone.
[](https://kb.princetonisd.net/books/classroom-troubleshooting/page/grandstream-gxp2170-user-guide "Grandstream GXP2170") Grandstream GXP2170 ([User Guide](https://kb.princetonisd.net/books/classroom-troubleshooting/page/grandstream-gxp2170-user-guide)) | [](https://kb.princetonisd.net/books/classroom-troubleshooting/page/grandstream-gxp2135-user-guide "Grandstream GXP2135") Grandstream GXP2135 ([User Guide](https://kb.princetonisd.net/books/classroom-troubleshooting/page/grandstream-gxp2135-user-guide)) |