23.2043GPPRelease 17Stage 2Support of Short Message Service (SMS) over generic 3GPP Internet Protocol (IP) accessTS
This procedure follows the procedure described in clause 6.11, when the original Instant Message included a delivery notification request.
Figure 6.12: Delivery report after a successful Instant Message to encapsulated Short Message procedure
NOTE: An encapsulated Short Message has been sent successfully according to the procedure described in clause 6.11 before the procedure below can be performed.
1-2) The SMSIP UE has received the Short Message as described in clause 6.11 and sends a Delivery report (SMS-DELIVER-REPORT) to the IP-SM-GW via the S-CSCF.
3-4) The IP-SM-GW acknowledges, at the SIP level, the Delivery report to the SMSIP UE via the S-CSCF.
5-7) The IP-SM-GW sends a Delivery Notification to the IM UE or CPM UE.
8-10) The IM UE or CPM UE acknowledges the reception of the Delivery Notification.