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authorNeels Hofmeyr <nhofmeyr@sysmocom.de>2016-10-21 01:35:57 +0200
committerNeels Hofmeyr <nhofmeyr@sysmocom.de>2017-03-16 15:32:34 +0100
commit5f443298fea58d047f7f7b32e5bccad259e364b9 (patch)
treec173587c62c7b91a62ceddb03e63889871050576 /openbsc/include
parent1804823c92dcb34b100a89e95b7cc17476fb46d0 (diff)
mgcp: hack RAB success from nano3G: patch first RTP payload
The ip.access nano3G needs the first RTP payload's first two bytes to read hex 'e400', or it will reject the RAB assignment. Add flag patched_first_rtp_payload to mgcp_rtp_state to detect the first RTP payload on a stream, and overwrite its first bytes with e400. This should probably be configurable, but seems to not harm other femto cells (as long as we patch only the first RTP payload in each stream). Only do this when sending to the BTS side. Change-Id: If0887b0b7714fc204f2addab2d43d44bb283ba21
Diffstat (limited to 'openbsc/include')
-rw-r--r--openbsc/include/openbsc/mgcp_internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/mgcp_internal.h b/openbsc/include/openbsc/mgcp_internal.h
index b58eb9b58..4e215b8f1 100644
--- a/openbsc/include/openbsc/mgcp_internal.h
+++ b/openbsc/include/openbsc/mgcp_internal.h
@@ -64,6 +64,7 @@ struct mgcp_rtp_state {
uint32_t stats_jitter;
int32_t stats_transit;
int stats_cycles;
+ bool patched_first_rtp_payload;
};
struct mgcp_rtp_codec {