LE910Cx AT Commands Reference Guide
80502ST10950A Rev. 14 Page 1025 of 1904 2022-03-04
3.12.5.2. AT#TTY - TeleType Writer
This command enables the TTY functionality.
AT#TTY=<support>
Set command enables/disables the TTY functionality.
Parameter:
enables/disables TTY functionality
enable VCO mode (Voice Carry Over)
enable HCO mode (Hearing Carry Over)
- Enabling this command, blocked #ADSPC set command.
- The value set by command is directly stored in NVM and doesn’t
depend on the specific AT instance.
- On Active/MT/MO Voice Call return Error.
AT#TTY?
Read command returns whether the TTY functionalities currently enabled
or not, in the format: