DAHDI ISDN channel names will not allow device state to work. (Interim solution.)

Since ISDN works like SIP and not analog ports in regard to devices, the
device state based on the ISDN channel number could not work.  This has
not been an issue until the advent of PTMP NT mode.  Previously, ISDN
lines were used as trunks and did not have to keep track of specific
devices.

As an interim solution until device states are properly implemented, the
channel name is being changed to the following format to use the generic
device state support:
DAHDI/i<span>/<number>[:<subaddress>]-<sequence-number>

Dialplan hints would thus be:
exten => xxx,hint,DAHDI/i2/5551212

This will work with the following restrictions:
*  The number of devices/phones cannot exceed the number of B channels.
(i.e., BRI has 2)
*  Each device/phone can only have one number.  No shared MSN's.
*  The phones/devices probably should not use subaddressing.


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@226882 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 2 insertions, 2 deletions

diff --git a/UPGRADE.txt b/UPGRADE.txt
index 61d4ec148..79c1b958a 100644
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -18,7 +18,7 @@
 ===
 ===========================================================
 
-From 1.6.2 to 1.6.3:
+From 1.6.2 to 1.8:
 
 * Asterisk-addons no longer exists as an independent package.  Those modules
   now live in the addons directory of the main Asterisk source tree.  They
@@ -53,7 +53,7 @@ From 1.6.2 to 1.6.3:
   the channel name to infer what B channel a call is using and to avoid name
   collisions, the channel name format is changed.
   The new channel naming for PRI channels is:
-  DAHDI/ISDN-<span>-<sequence-number>
+  DAHDI/i<span>/<number>[:<subaddress>]-<sequence-number>
 
 From 1.6.1 to 1.6.2: