Date   : Fri, 22 Aug 1986 22:04:00 MDT
From   : Keith Petersen <W8SDZ@SIMTEL20.ARPA>
Subject: Trying to send '*' within MEX dialing

Your modem may require a quote to accept the '*'.  If that's the case
then:

MEX>phone my="*70,13135551212

should work.

--Keith