Add support for ICE/STUN/TURN in res_rtp_asterisk and chan_sip.

Review: https://reviewboard.asterisk.org/r/1891/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369517 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/pjproject/tests/pjsua/README.TXT

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+
+                           PJSUA TEST FRAMEWORK
+                        =========================
+
+0. What is this
+---------------
+This is the automated testing scripts for pjsua. It can do many things (just 
+don't ask it to write good documentation :) ).
+
+
+1. Requirements
+---------------
+To run the tests you need:
+ - Python (tested with Python 2.5.2)
+ - pjsua application, built and placed in pjsip-apps/bin directory
+ - the pjsua must be built with:
+     - SRTP enabled (the default)
+
+
+2. Using
+--------
+To run all the tests:
+  $ python [OPTIONS] runall.py
+
+To run individual test:
+  $ python [OPTIONS] run.py MODULE CONFIG
+
+Where options:
+  -e EXE	use EXE as pjsua executable
+  -n		use null audio
+  -r TEST	(for runall.py only) resume test at TEST
+
+  
+For each individual tests, the run.py is the main entry for the test. It 
+imports the various inc_xxx.py files, and it will load the MODULE. The MODULE 
+contains specific test flows, and we have few of them:
+
+  - mod_run.py: 
+  	a simple test which just run pjsua with the configuration from CONFIG 
+	file and checks if pjsua can start properly.
+
+  - mod_call.py: 
+  	call testing where it spawns two pjsua instances each with configura-
+	tions as specified in CONFIG file, makes one pjsua call the other, and 
+	checks if the call can be established.
+
+  - mod_pres.py:
+  	presence testing
+
+  - mod_sendto.py:
+  	Simple UAC to send arbitrary SIP message to pjsua. Good to test
+	various incoming INVITE scenarios
+
+  - mod_media_playrec.py:
+  	Mainly for resampling quality testing
+
+  - mod_pesq.py
+  	Measure call quality of various call settings with PESQ, for people 
+	who have PESQ tool and license
+
+Example:
+  $ python run.py mod_run.py scripts-run/100_simple.py
+  $ python run.py mod_call.py scripts-call/100_simple.py
+
+