For the purposes of the present document, the terms given in TR 21.905
and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905
service element provided by a GSM/UMTS/EPS/5GS PLMN to inform an SC which has previously initiated unsuccessful short message delivery attempt(s) to a specific MS/UE, that the MS/UE is now recognized by the PLMN to have recovered operation.
Gateway MSC For Short Message Service (SMS GMSC):
function of an MSC capable of receiving a short message from an SC, interrogating an HLR/HSS/UDM for routing information and SMS info, and delivering the short message to the VMSC/SGSN/MME/SMSF of the recipient MS/UE.
Interworking MSC For Short Message Service (SMS IWMSC):
function of an MSC capable of receiving a short message from within the PLMN and submitting it to the recipient SC.
function responsible for protocol interworking between the IP-based UE and the SC.
Service Centre (SC):
function responsible for the relaying and store and forwarding of a short message between an SME and an MS/UE.
For the purposes of the present document, the abbreviations given in TR 21.905
and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905
Generic Public Subscription Identifier
Mobile Originated Short Message Service
Mobile Terminated Short Message Service
Network Repository Function
Service Based Architecture
Service Based Interface
Short Message Service
Short Message Mobile Originated
Short Message Mobile Terminated
Short Message Service Function
SMS over NAS
Unified Data Management