diff options
-rw-r--r-- | channels/chan_sip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 6c403bc3a..37e82ec00 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -7682,7 +7682,7 @@ static void initreqprep(struct sip_request *req, struct sip_pvt *p, int sipmetho if (sipmethod == SIP_NOTIFY && !ast_strlen_zero(p->theirtag)) { /* If this is a NOTIFY, use the From: tag in the subscribe (RFC 3265) */ - snprintf(to, sizeof(to), "<sip:%s>;tag=%s", p->uri, p->theirtag); + snprintf(to, sizeof(to), "<%s%s>;tag=%s", (strncasecmp(p->uri, "sip:", 4) ? "" : "sip:"), p->uri, p->theirtag); } else if (p->options && p->options->vxml_url) { /* If there is a VXML URL append it to the SIP URL */ snprintf(to, sizeof(to), "<%s>;%s", p->uri, p->options->vxml_url); |