diff --git a/asterisk/conf/mobile/extensions.conf b/asterisk/conf/mobile/extensions.conf
index 248e7dc..3551e78 100644
--- a/asterisk/conf/mobile/extensions.conf
+++ b/asterisk/conf/mobile/extensions.conf
@@ -35,6 +35,7 @@ exten => 1471,1,Verbose(1, "info: ${CALLERID(num)} dialed app-lastcallreturn")
  same => n,Goto(timeout,1)
 
 exten => saynumber,1,NoOp(1,"saying number")
+ same => n,Set(number=${DB(lastcaller/${CALLERID(num)})})
  same => n,Answer(100)
  same => n,GotoIf($["${number}" = ""]?nonum,1)
  same => n,Playback(info-about-last-call&telephone-number)