benjk*CLI> show version
Asterisk 1.0.10

benjk*CLI> show copyright
Asterisk 1.0.10, Copyright (C) 1999-2004 Digium and third party contributors.

benjk*CLI> show build
Asterisk 1.0.10 built by Sunrise Telephone Systems Ltd <www.sunrise-tel.com>
 build timestamp: Sun Jan 15 06:24:33 GMT 2006
 build environment: Darwin 8.3.0
 build target: Darwin/PPC

benjk*CLI> show license
This software is released under the GNU General Public License version 2, or
at your choice any later version. It comes with ABSOLUTELY NO WARRANTY.
For details please refer to http://www.gnu.org/copyleft/gpl.html

benjk*CLI> show credits
Asterisk core (C) 1999-2004 Digium and contributors, GPL licensed
MacOS X integration (C) 2005 Sunrise Telephone Systems Ltd, GPL licensed
AES crypto support (C) 2003 Dr Brian Gladman, Worcester UK, GPL licensed
Bison parser (C) 1984-2004 Free Software Foundation, GPL w/exemption
DB1 (C) 1990-1994 The Regents of the University of California, BSD licensed
Dynamic linking (C) 2002 Jorge Acereda & Peter O'Gorman, MIT licensed
DNS support (C) 2003 Thorsten Lockert, GPL licensed
FSK modem (C) 1999-2000 Jesus Arias, public domain
MD5 support (C) 1993 Colin Plumb, public domain
ODBC CDR logger (C) 2003-2005 Brian K. West, GPL licensed
PostgreSQL CDR logger (C) 2003 Matthew D. Hardeman, GPL licensed
SQLite CDR logger (C) 2004 Holger Schurig, GPL licensed
System V poll for BSD (C) 1995-2002 Brian M. Clapper, BSD licensed
Tone detection (C) 2001 Steve Underwood, public domain
Tone management Copyright (C) 2002, Pauline Middelink, GPL licensed
for further details refer to the CREDITS file