+.B -s
+Use stderr. All log messages from '-v' and all error messages will be
+sent to stderr.
+.TP
+.B -S
+Do not use the SYSLOG. By default, error messages are sent to the
+SYSLOG. The use of -S will prevent both log messages from '-v' and
+error messages from being sent to the SYSLOG.
+.TP
+.B -T \fI<phone number>
+Pass in an arbitary string, usually a phone number, that will be
+substituted for the \\T substitution metacharacter in a send string.
+.TP
+.B -U \fI<phone number 2>
+Pass in a second string, usually a phone number, that will be
+substituted for the \\U substitution metacharacter in a send string.
+This is useful when dialing an ISDN terminal adapter that requires two
+numbers.
+.TP