Consolidated Platform Configuration Guide, Cisco Ios Release 15.2(4)E (Catalyst 2960-X Switches - Cisco Catalyst 2960 series Configuration Manual

Information About TACACS+
Attribute Description
callback- Sets the
dialstring telephone
number for a
callback (for
example:
callback-dialstring=
408-555-1212).
Value is
NULL, or a
dial-string. A
NULL value
indicates that
the service
might choose
to get the
dial string
through
other means.
Used with
service=arap,
service=slip,
service=ppp,
service=shell.
Not valid for
ISDN.
callback-line The number
of a TTY
line to use
for callback
(for
example:
callback-line=4).
Used with
service=arap,
service=slip,
service=ppp,
service=shell.
Not valid for
ISDN.

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

784
11.0 11.1
no yes
no yes
11.2 11.3
yes yes
yes yes
12.0 12.1
yes yes
yes yes
12.2
yes
yes