Ting Voice is available on the following Grandstream and Yealink devices:
Below are links to the manufacturer’s resources for these devices, documentation can also be found on the Grandstream and Yealink support sites.
*There are several versions of the GRP2612, with the difference being slightly different networking capabilities. Ting uses the GRP21612G, which has Gigabit Ethernet, PoE capabilities, and no Wi-Fi.