Telecom

Comptel

http://www.comptel.org/ website of the association of communication service providers and their vendors ( virizon, L3, cisco and the likes ]

Linux.com :: Debugging Asterisk AGI with PHPAGI and Festival

http://www.linux.com/feature/128386 Smaple AGI scripts in PHP

Submarine Cable Map 2008: Maps: TeleGeography Research

http://www.telegeography.com/products/map_cable/index.php cool map – location of submarine cables