Short Message Receipt is a terminating VAS. The procedure of the short message receipt refers to the general flow for VAS SMS described in the clause 7.0.2. The VAS AS checks that the terminating user has activated the Short Message Receipt service and generates a new short message as the receipt of original message.
See general flow described in the previous clause 7.0. The VAS AS B checks that a terminating user has activated short message receipt service and indicates to the SMS Node B there is terminating VAS active.
According to user B's preferences, the VAS AS B decides a message receipt is needed and shall be sent to user A. The VAS AS B takes a loop check for original SM. If there is a loop prevention indication set in the SM, the VAS AS B shall not apply short message receipt service and do not go to following steps.
The VAS AS B generates a receipt short message, based on the report received in step 9 and terminating user's preferences. The receipt message shall include a loop prevention indication that indicating it is a message generated for message receipt service of user B.
See general flow described in the previous clause 7.0. The VAS AS A checks that a originating user has activated short message network storage service and indicates to the SMS Node A there is originating VAS active.
See general flow described in the previous clause 7.0. The VAS AS B checks that a terminating user has activated short message network storage service and indicates to the SMS Node B that the terminating VAS is active.