diff options
Diffstat (limited to 'channels')
| -rw-r--r-- | channels/chan_sip.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 4be53c218..9cc6252fd 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -8590,7 +8590,9 @@ static struct ast_frame *sip_read(struct ast_channel *ast) sip_pvt_lock(p); fr = sip_rtp_read(ast, p, &faxdetected); - p->lastrtprx = time(NULL); + if (fr && fr->frametype != AST_FRAME_NULL) { + p->lastrtprx = time(NULL); + } /* If we detect a CNG tone and fax detection is enabled then send us off to the fax extension */ if (faxdetected && ast_test_flag(&p->flags[1], SIP_PAGE2_FAX_DETECT_CNG)) { |