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Diffstat (limited to 'UPGRADE.txt')
-rw-r--r-- | UPGRADE.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/UPGRADE.txt b/UPGRADE.txt index 8097c4bae..dda6d66d8 100644 --- a/UPGRADE.txt +++ b/UPGRADE.txt @@ -18,6 +18,17 @@ === =========================================================== +T.38 changes in 1.6.0.11, 1.6.1.2, 1.6.2.0: + +Beginning with each of these releases in their respective branches, +Asterisk's internal methods of negotiating T.38 (FAX over IP) sessions +changed in non-backwards-compatible ways. Any applications that previously +used AST_CONTROL_T38 control frames will have to be upgraded to use +AST_CONTROL_T38_PARAMETERS control frames instead; app_fax.c is a good +example of how to generate and respond to these frames. These changes were +made to solve significant T.38 interoperability problems between Asterisk +and various SIP/T.38 endpoints identified by many users of Asterisk. + From 1.6.2 to 1.6.3: * Asterisk-addons no longer exists as an independent package. Those modules |