Digium is now packaging asterisk-1.8 for Ubuntu upstream:
https://wiki.asterisk.org/wiki/display/AST/Asterisk+Packages
The support schedule for asterisk-1.4 and asterisk-1.6 is here:
https://wiki.asterisk.org/wiki/display/AST/Asterisk+Versions
Digium is now packaging asterisk-1.8 for Ubuntu upstream:
https:/ /wiki.asterisk. org/wiki/ display/ AST/Asterisk+ Packages
The support schedule for asterisk-1.4 and asterisk-1.6 is here:
https:/ /wiki.asterisk. org/wiki/ display/ AST/Asterisk+ Versions