CL-PJSIP

Common Lisp wrapper for PJSIP multimedia communication library.

Work in progress. Current goals:

• Create FFI bindings for practically viable subset of PJSIP [done]
• Create a simple SIP user agent capable of handling basic sessions and establishing media streams [done]
• Implement more ideomatic Lisp application logic concepts
• Support PJSUA high level softphone interface [done]
• Add various media ports (audio [done], file, null..)

Still in alpha quality. Expect glitches and crashes.

Licensed under the terms of GPL v2 in compliance with PJSIP code it links to.

Dependencies

The demo application is known to work on Linux x86_64 with CCL 1.11 and Allegro CL 10.1beta. SBCL 1.3.5.9 does experience sporadic crashes. PJSIP 2.5.5 is recommended.

Building PJSIP

./configure --enable-shared
make dep
make
make install

You might want to run ldconfig after the install to update the libary cache.

Running CL-PJSUA demo

Load the :cl-pjsua-demo system, then

(cl-pjsip::run-pjsua "your destination sip address")

Alternatively, you can run "plain" PJSIP agent in echo-server mode via

(cl-pjsip:init)
(cl-pjsip:run-agent)