asterisk-classic 1:1.2.12.1.dfsg-1ubuntu1.2 (i386 binary) in ubuntu edgy

 Asterisk is an Open Source PBX and telephony toolkit. It is, in a
 sense, middleware between Internet and telephony channels on the bottom,
 and Internet and telephony applications at the top.
 .
 Asterisk can be used with Voice over IP (SIP, H.323, IAX) standards, or the
 Public Switched Telephone Network (PSTN) through Supported Hardware.
 .
 Supported hardware:
 .
  * All Wildcard (tm) products from Digium (http://www.digium.com)
  * QuickNet Internet PhoneJack and LineJack (http://www.quicknet.net)
  * Full Duplex Sound Card supported by Linux
  * Adtran Atlas 800 Plus
  * ISDN4Linux compatible ISDN card
  * Tormenta Dual T1 card (http://www.bsdtelephony.com.mx)
  * CAPI compatible ISDN cards can be run using the add-on package chan-capi
 .
 This Debian package includes the sample configuration, with demonstration
 extensions, etc
 .
 Website: http://www.asterisk.org.