[Asterisk-Dev] VoIP and Asterisk

[Holger Schurig]

> My questions are
>
> 1) Is such a solution framework possible?
> 2) How much effort would be required to build the client application
> that will be used by the client to make calls to online user or receive
> VoIP calls from asterisk (converted from PSTN voice).
> 3) What technology should I employ to build the application?
> 4) Do I need to build some API for asterisk to, or I just need to
> configure Asterisk to make all this possible?

First read, then ask.

  http://www.voip-info.org
  http://www.asteriskdocs.org

When ask, then ask in the right mailing list (HINT: this mailing list is 
for development of Asterisk itself, not for usage of Asterisk in some 
VOIP project).