diff options
Diffstat (limited to 'src/osmo-bsc/gsm_08_08.c')
| -rw-r--r-- | src/osmo-bsc/gsm_08_08.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/osmo-bsc/gsm_08_08.c b/src/osmo-bsc/gsm_08_08.c index 4dc488348..43117a84d 100644 --- a/src/osmo-bsc/gsm_08_08.c +++ b/src/osmo-bsc/gsm_08_08.c @@ -323,8 +323,8 @@ paging: subscr = extract_sub(conn, msg); if (!subscr) { - LOGP(DMSC, LOGL_ERROR, "Got paged but no subscriber found.\n"); - return NULL; + LOGP(DMSC, LOGL_INFO, "Got paging response but no subscriber found, will now (blindly) deliver the paging response to the first configured MSC!\n"); + goto blind; } pag_msc = paging_get_msc(conn_get_bts(conn), subscr); @@ -344,7 +344,20 @@ paging: return msc; } - LOGP(DMSC, LOGL_ERROR, "Got paged but no request found.\n"); + LOGP(DMSC, LOGL_INFO, "Got paging response but no request found, will now (blindly) deliver the paging response to the first configured MSC!\n"); + +blind: + /* In the case of an MT CSFB call we will get a paging response from + * the BTS without a preceding paging request via A-Interface. In those + * cases the MSC will page the subscriber via SGs interface, so the BSC + * can not know about the paging in advance. In those cases we can not + * know the MSC which is in charge. The only meaningful option we have + * is to deliver the paging response to the first configured MSC + * blindly. */ + msc = llist_first_entry_or_null(&bsc->mscs, struct bsc_msc_data, entry); + if (msc) + return msc; + LOGP(DMSC, LOGL_ERROR, "Unable to find any suitable MSC to deliver paging response!\n"); return NULL; } |