Asterisk

• Asterisk 8 and later on Debian
  Asterisk 8 supports IPv6.
  Some of my experiences using Asterisk. Tips and tricks.
• Asterisk on Debian 12 / Bookworm
  Debian 12 doesn't come with Astrerisk. You can however use the Asterisk from Debian 11 / Bullseye.
• Asterisk doc on webarchive
  A lot of links to Asterisk documentation that comes with Debian, redirects to meaningless pages. This is a collection of Web archive versions of those pages.
• Asterisk Versions
  Historic overview.
• All Asterisk Versions
  Current versions.
• Asterisk sources
• Installing Asterisk From Source
  Click on menu at top left.
• Asterisk name and location lookup AGI
  Display name or location of caller on your SIP phones. Comes with more than 20000 area codes from all over the world.