The read command allocates a new context identifier.
The command allocates a unique context identifier, which can be referenced with other commands like +CGDCONT. The allocated identifier can be deallocated with the +CGDCONT command by giving only the <cid> parameter.
The %XNEWCID command can be used instead of reading existing default
context with AT+CGDCONT? and finding an unused
<cid> value before configuring a new context.
A maximum of four context identifiers can be defined. In some network configurations, the maximum can be less than four. The read command allocates a new context identifier.
Response syntax:
%XNEWCID: <cid>
The read command parameter and its defined value are the following:
The following command example requests the allocation of a new context identifier:
AT%XNEWCID?
%XNEWCID: 2
OK