ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 1014 of 1039 2021-09-23
Indicates the IMS registration status. The UE is
seen as registered if one or more of its public user
identities are registered with any of its contact
addresses.
Values:
the value could be either 1 or 5. It is a sum of
values, each representing an IMS capability of the
MT. This parameter is not present if the IMS
registration status is "not registered".
Values:
RTP-based transfer of voice according to
MMTEL.
SMS using IMS functionality.
AT+CIREG?
Read command reports the current state of IMS registration in the format:
+CIREG: <mode>,<reg_info>[,<ext_info>]
AT+CIREG=?
Test command returns the supported range of values for parameter
<mode>.