Yesterday, official support for MFC/R2 signaling in chan_dahdi was merged, and will be included in Asterisk 1.6.2. Here is the commit.
To get a head start on testing Asterisk 1.6.2 with R2 support, check out the code from the 1.6.2 branch:
$ svn co http://svn.digium.com/svn/asterisk/branches/1.6.2 asterisk-1.6.2
Before compiling Asterisk, you will need to compile and install LibOpenR2.
Thank you very much to Moises Silva (Moy), who worked very hard to write LibOpenR2 and bring this functionality to Asterisk!

6 responses so far ↓
1 Learn About VoIP » MFC/R2 support added to Asterisk 1.6.2 // Mar 17, 2009 at 10:58 am
[...] Via Russell Bryant [...]
2 RavenII // Mar 18, 2009 at 11:41 am
This is going to be great and thank you for the info. Never knew spandsp went LGPL until I read the review.
3 MFC/R2 support added to Asterisk 1.6.2 | Telecom Update // Mar 19, 2009 at 11:54 am
[...] Via Russell Bryant [...]
4 Asterisk 1.6.2 Gets MFC/R2 Signaling In chan_dahdi | Voip Blog // Mar 20, 2009 at 9:20 pm
[...] will need to install LibOpenR2 the supporting library.Readme for 1.6.2 branch is here.Russells post MFC/R2 support in Asterisk 1.6.2 Tags: Asterisk 1.6.2, MFC/R2, chan_dahdi Snap Voip Copyright © 2005-2008 SnapVoip, Published [...]
5 Libopenr2 oficialmente en Asterisk 1.6.2 « Arturo Ochoa N // Mar 22, 2009 at 3:07 pm
[...] OpenR2, han logrado tanta aceptacion que Russell Bryant ha anunciado oficialmente la inclusion del soporte R2 en Dadhi para la version de Asterisk [...]
6 Eduardo // Jun 1, 2009 at 7:03 am
Thanks, to Cleiber Marques, to help improve libOpenR2 for Brazil
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