+CCHO set command

The set command causes the currently selected Universal Integrated Circuit Card (UICC) to open a new logical channel. The UICC selects the application identified by the Dedicated File (DF) name that is received with this command and returns a session ID as a response.

Syntax:

+CCHO=<dfname>

Response syntax:

+CCHO: <sessionid>

+CME ERROR code: 11 – SIM PIN required.; 12 – SIM PUK required.; 13 – SIM failure.; 14 – SIM busy.; 17 – SIM PIN2 required.; 18 – SIM PUK2 required.

The set command parameters and their defined values are the following:

<dfname>: 1–16 bytes. Application selected in the UICC referenced by a DF name.
<sessionid>: Integer.; Session ID used to target a specific application on a smart card, such as Universal Subscriber Identity Module (USIM), using the opened logical channel.

The following command example opens a logical channel and selects an IP Multimedia Services Identity Module (ISIM) application in the GSMA Generic eUICC Test Profile:

AT+CCHO="A0000000871004FF49FF0589"
+CCHO: 2
OK

Set command