8.72 Availability for SMS using IMS +CASIMS

27.0073GPPAT command set for User Equipment (UE)Release 18TS

Table 8.72-1: +CASIMS parameter command syntax

Command	Possible response(s)
+CASIMS=[<state>]
+CASIMS?	+CASIMS: <state>
+CASIMS=?	+CASIMS: (list of supported <state>s)

Description

Set command informs the MT whether the UE is currently available for SMS using IMS (see 3GPP TS 24.229 [89]). In EPS, the information can be used by the MT to determine the need to remain attached for non-EPS services, as defined in 3GPP TS 24.301 [83]. In 5GS, the information can be used by the MT to determine whether to use SMS over IMS or SMS over NAS.

Read command returns the UE’s SMS using IMS availability status, as stored in the MT.

Test command returns supported values as a compound value.

Defined values

<state>: integer type. The UE’s SMS using IMS availability status.

0 SMS using IMS is not available

1 SMS using IMS is available

Implementation

Optional.