vi or vim . For more help execute : man vi or man vim
If you want to understand/learn how Asterisk works and to have more control on what exactly is written in the configuration files, use the above programs.
Oh~no, I means if Are there some web config tools for Asterisk ?
install firstname.lastname@example.org has a web based config function
I cherched on Google.
A lot of stuff seems to exist.
voip-info.org/tiki-index.php … terisk+GUI
Asterisk@home is what you want. As a minimum, if you want to manually install things yourself then install Asterisk Management Portal