From Debian package 0.0.20080702-11
Mostly merged upstream in ada61e15 (2010-05-13)

Grant setcap access to asterisk
Let it use unix socket

Index: policy/modules/services/asterisk.te
===================================================================
--- policy/modules/services/asterisk.te.orig
+++ policy/modules/services/asterisk.te
@@ -45,7 +45,7 @@
 allow asterisk_t self:fifo_file rw_fifo_file_perms;
 allow asterisk_t self:sem create_sem_perms;
 allow asterisk_t self:shm create_shm_perms;
-allow asterisk_t self:unix_stream_socket connectto;
+allow asterisk_t self:unix_stream_socket { connectto rw_stream_socket_perms };
 allow asterisk_t self:tcp_socket create_stream_socket_perms;
 allow asterisk_t self:udp_socket create_socket_perms;