What is Absent subscriber?
Absent subscriber: Absent subscriber due to the phone being switched off, due to phone out of coverage, due to roaming restriction/restricted area
Absent subscriber(HLR Access Denied: Postponed): Subscriber cannot be reached at the time of broadcast or unknown subscriber. The Home Location Register is a database. It provides routing information for MT (Mobile Terminated) calls and SMS (Short Message Service)Absent subscriber (No acknowledgment): Absent subscriber due to phone being switched off,due to phone out of coverage, due to roaming restriction/restricted area without acknowledgment.
Absent subscriber(Destination resource shortage): The message is rejected because there was no paging response , the IMSI record is marked detached, or the MS is subject to roaming restrictions.
Absent subscriber (SMS delivery postponed): User's mobile number not reachable or out of network coverage area.
Absent subscriber (Destination out of service): Mobile number barred at the carrier end
Absent subscriber SM: Out of coverage area (or) switched Off. The error might be due to poor network coverage area and the same flag was updated in the HLR.
Note: Important Abbreviations:
|MT||Mobile Terminating||CUG||Closed User Group|
|MS||Mobile Subscriber||HLR||Home Location Register|
|SRI||Send Routing Information||VLR||Vistor Location Register|
|FSM||Forward Short Message||PDU||Protocol Data Unit|
|SGSN||Serving GPRS Support Node|