check_sip_latency: improve output

check_sip_latency

@@ -61,7 +61,7 @@ latency=`/usr/bin/sudo -u root /usr/sbin/rasterisk -rnx "sip show peer $PEER"|gr
 
 if [ ! -n "$latency" ]
 then
-    /bin/echo "SIP Latency UNKNOWN"
+    echo "UNKNOWN - SIP peer $PEER unknown"
     exit 3
 fi
 
@@ -82,5 +82,5 @@ else
     exitcode=0
 fi
 
-/bin/echo "SIP Latency ${nstatus} : $details | latency=${latency}ms"
+echo "${nstatus} - SIP Latency is ${nstatus}: $details | latency=${latency}ms"
 exit $exitcode