diff options
| -rw-r--r-- | src/osmo-bsc/gsm_08_08.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/osmo-bsc/gsm_08_08.c b/src/osmo-bsc/gsm_08_08.c index 807eb8c44..6e1e5029a 100644 --- a/src/osmo-bsc/gsm_08_08.c +++ b/src/osmo-bsc/gsm_08_08.c @@ -495,7 +495,12 @@ static bool complete_layer3(struct gsm_subscriber_connection *conn, if (gscon_is_aoip(conn)) { gen_bss_supported_codec_list(&scl, msc, conn_get_bts(conn)); - resp = gsm0808_create_layer3_2(msg, cgi_for_msc(conn->sccp.msc, conn_get_bts(conn)), &scl); + if (scl.len > 0) + resp = gsm0808_create_layer3_2(msg, cgi_for_msc(conn->sccp.msc, conn_get_bts(conn)), &scl); + else { + LOGP(DMSC, LOGL_ERROR, "Failed to create layer3 message due to empty speech codec list.\n"); + return false; + } } else resp = gsm0808_create_layer3_2(msg, cgi_for_msc(conn->sccp.msc, conn_get_bts(conn)), NULL); |