USSD Software for Windows 10

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Voice calls

Is there a firmware version for the EM7455 or other current module that “supports” voice or circuit switched data calls? I don’t need audio, just to have the call connect for testing. Either mobile or network initiated call would be fine.

EM7455 Voice Support

Hello, I have seen some references that the Sierra Wireless EM7455 does not support voice calls. Is this true for the latest release of the firmware? Thanks, Christopher