Only spit out an inringing warning message when it is applicable. Since call limits are already toast in realtime let's not scare the user if they are using it. (issue #10166 reported by bcnit)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@74262 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -3095,7 +3095,7 @@ static int update_call_counter(struct sip_pvt *fup, int event)
 			if (ast_test_flag(&fup->flags[1], SIP_PAGE2_INC_RINGING)) {
 				if (*inringing > 0)
 					(*inringing)--;
-				else
+				else if (!ast_test_flag(&fup->flags[0], SIP_REALTIME) || ast_test_flag(&fup->flags[1], SIP_PAGE2_RTCACHEFRIENDS))
 					ast_log(LOG_WARNING, "Inringing for peer '%s' < 0?\n", fup->peername);
 				ast_clear_flag(&fup->flags[1], SIP_PAGE2_INC_RINGING);
 			}
@@ -3138,7 +3138,7 @@ static int update_call_counter(struct sip_pvt *fup, int event)
 			if (ast_test_flag(&fup->flags[1], SIP_PAGE2_INC_RINGING)) {
 				if (*inringing > 0)
 					(*inringing)--;
-				else
+				else if (!ast_test_flag(&fup->flags[0], SIP_REALTIME) || ast_test_flag(&fup->flags[1], SIP_PAGE2_RTCACHEFRIENDS))
 					ast_log(LOG_WARNING, "Inringing for peer '%s' < 0?\n", p->name);
 				ast_clear_flag(&fup->flags[1], SIP_PAGE2_INC_RINGING);
 			}