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If a manually selected network is lost for more than 10 seconds, the system switches to automatic network selection.
Displaying the IMEI
The IMEI (International Mobile Equipment Identity) is a serial number that permits unique identification of the hardware in mobile radio equipment. This number allows different network providers to block the telephone in the event of misuse.
Switching 3-way calling on and off
Problems may occur with 3-way calling on the PCM, as these functions are not correctly supported by all cell phones and telephone networks (in particular CDMA networks).
It is recommended that 3-way calling be switched off in such cases in order to ensure reliable telephone operation.
This function is only available if your cell phone is connected to the PCM using the Hands-Free Profile.
This function is only available with the SIM card inserted or with a connection using the SIM Access Profile.
Changing the PIN
This function allows you to change the PIN of your SIM card.