ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 337 of 1039 2021-09-23
AT+CCHO=<dfname>
Execution of the command causes the MT to return <sessionId> to allow
the TE to identify a channel that is being allocated by the currently
selected UICC, which is attached to ME.
The currently selected UICC will open a new logical channel; select the
application identified by the <dfname> received with this command and
return a <sessionId> as the response.
The ME shall restrict the communication between the TE and the UICC to
this logical channel.
The response message of the command is in the format:
+CCHO: < sessionId >
The <sessionId> is described in the Additional info section.
Error case:
+CME ERROR: <err>
Parameter:
all selectable applications in the UICC are
referenced by a DF name coded on 1 to 16
bytes (hexadecimal character format; refer
+CSCS).