diff options
| -rw-r--r-- | channels/chan_sip.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 8d531c4a9..fa6b6ea4c 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -26001,11 +26001,13 @@ static int sip_send_mwi_to_peer(struct sip_peer *peer, int cache_only) /* Called with peerl lock, but releases it */ struct sip_pvt *p; int newmsgs = 0, oldmsgs = 0; - const char *vmexten; + const char *vmexten = NULL; ao2_lock(peer); - vmexten = ast_strdupa(peer->vmexten); + if (peer->vmexten) { + vmexten = ast_strdupa(peer->vmexten); + } if (ast_test_flag((&peer->flags[1]), SIP_PAGE2_SUBSCRIBEMWIONLY) && !peer->mwipvt) { ao2_unlock(peer); |