Asterisk
Asterisk Fast AGI — удаленное AGI:
http://www.voip-info.org/wiki/view/Asterisk+FastAGI
Asterisk Manager Interface:
http://www.voip-info.org/wiki/view/Asterisk+manager+API
Manager: Originate:
http://voip.rus.net/tiki-index.php?page=Asterisk+Manager+API+Action+Originate
Asterisk Local Channels:
http://voip.rus.net/tiki-index.php?page=Asterisk+Local+channels
G729,G723.1 в Asterisk
http://siper.ru/art-dobavlenie_podderzhki_kodekov_g729__g7231_i_spee.html
http://asterisk.hosting.lv/
