diff options
| -rw-r--r-- | src/trau/trau_sync.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/trau/trau_sync.c b/src/trau/trau_sync.c index c4baad6..dfd7ce4 100644 --- a/src/trau/trau_sync.c +++ b/src/trau/trau_sync.c @@ -502,6 +502,12 @@ osmo_trau_sync_alloc(void *ctx, const char *name, frame_out_cb_t frame_out_cb, /* FIXME: this must be configurable */ tss->pattern = &sync_patterns[pat_id]; + /* An unusued E1 timeslot normally would send an idle signal that + * has all bits set to one. In order to prevent false-positive + * synchronization on startup we set all history bits to 1, to make + * it look like a signal from an unused timeslot. */ + memset(tss->history, 1, sizeof(tss->history)); + return fi; } |