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authorHarald Welte <laforge@osmocom.org>2019-12-01 10:17:27 +0100
committerHarald Welte <laforge@osmocom.org>2019-12-01 10:18:07 +0100
commitf1499959dd5aef2ac0e05743a49d6e718179542d (patch)
treea644e01914bf45469d1884596d3a0a20aa7d62f6
parentb34ffdd069cbf2b7d9e9b93e7b34e318d8a507d1 (diff)
gsup: Fix description of Purge MS procedure
-rw-r--r--common/chapters/gsup.adoc5
1 files changed, 3 insertions, 2 deletions
diff --git a/common/chapters/gsup.adoc b/common/chapters/gsup.adoc
index e0034f9..1c18ae1 100644
--- a/common/chapters/gsup.adoc
+++ b/common/chapters/gsup.adoc
@@ -166,8 +166,9 @@ msc {
==== Purge MS
Using the Purge MS procedure, the SGSN or VLR can request purging of MS
-related state from a previous SGSN or VLR during an inter-SGSN / inter-MSC location
-update.
+related state from the HLR. It is used after the SGSN or VLR detects that no radio
+contact has been established for a prolonged duration (i.e. longer than the periodic LU
+timeout). See 3GPP TS 23.012 Section 3.6.1.4 for a description of this procedure.
.Purge MS (Normal Case)
["mscgen"]