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-rw-r--r--channels/chan_sip.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 2d5f4b296..0e180429b 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -6644,6 +6644,8 @@ static int cb_extensionstate(char *context, char* exten, int state, void *data)
{
struct sip_pvt *p = data;
+ ast_mutex_lock(&p->lock);
+
switch(state) {
case AST_EXTENSION_DEACTIVATED: /* Retry after a while */
case AST_EXTENSION_REMOVED: /* Extension is gone */
@@ -6663,6 +6665,9 @@ static int cb_extensionstate(char *context, char* exten, int state, void *data)
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_1 "Extension Changed %s new state %s for Notify User %s\n", exten, ast_extension_state2str(state), p->username);
+
+ ast_mutex_unlock(&p->lock);
+
return 0;
}