git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@79595 65c4cc65-6c06-0410-ace0-fbb531ad65f3
112 lines
5.6 KiB
Text
112 lines
5.6 KiB
Text
Information for Upgrading From Previous Asterisk Releases
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=========================================================
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Manager:
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* The CallerID fields across Manager events have now been made more
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consistent. CallerID Number will be sent as CallerIDNum and CallerID
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Name will be sent as CallerIDName wherever used.
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AEL:
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* Macros are now implemented underneath with the Gosub() application.
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Heaven Help You if you wrote code depending on any aspect of this!
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Previous to 1.6, macros were implemented with the Macro() app, which
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provided a nice feature of auto-returning. The compiler will do its
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best to insert a Return() app call at the end of your macro if you did
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not include it, but really, you should make sure that all execution
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paths within your macros end in "return;".
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* The conf2ael program is 'introduced' in this release; it is in a rather
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crude state, but deemed useful for making a first pass at converting
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extensions.conf code into AEL. More intelligence will come with time.
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Core:
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* The 'languageprefix' option in asterisk.conf is now deprecated, and
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the default sound file layout for non-English sounds is the 'new
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style' layout introduced in Asterisk 1.4 (and used by the automatic
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sound file installer in the Makefile).
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* The ast_expr2 stuff has been modified to handle floating-point numbers.
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Numbers of the format D.D are now acceptable input for the expr parser,
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Where D is a string of base-10 digits. All math is now done in "long double",
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if it is available on your compiler/architecture. This was half-way between
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a bug-fix (because the MATH func returns fp by default), and an enhancement.
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Also, for those counting on, or needing, integer operations, a series of
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'functions' were also added to the expr language, to allow several styles
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of rounding/truncation, along with a set of common floating point operations,
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like sin, cos, tan, log, pow, etc. The ability to call external functions
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like CDR(), etc. was also added, without having to use the ${...} notation.
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* The delimiter passed to applications has been changed to the comma (','), as
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that is what people are used to using within extensions.conf. If you are
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using realtime extensions, you will need to translate your existing dialplan
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to use this separator. To use a literal comma, you need merely to escape it
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with a backslash ('\'). Another possible side effect is that you may need to
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remove the obscene level of backslashing that was necessary for the dialplan
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to work correctly in 1.4 and previous versions. This should make writing
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dialplans less painful in the future, albeit with the pain of a one-time
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conversion.
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Voicemail:
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* The voicemail configuration values 'maxmessage' and 'minmessage' have
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been changed to 'maxsecs' and 'minsecs' to clarify their purpose and
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to make them more distinguishable from 'maxmsgs', which sets folder
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size. The old variables will continue to work in this version, albeit
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with a deprecation warning.
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* If you use any interface for modifying voicemail aside from the built in
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dialplan applications, then the option "pollmailboxes" *must* be set in
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voicemail.conf for message waiting indication (MWI) to work properly. This
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is because Voicemail notification is now event based instead of polling
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based. The channel drivers are no longer responsible for constantly manually
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checking mailboxes for changes so that they can send MWI information to users.
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Examples of situations that would require this option are web interfaces to
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voicemail or an email client in the case of using IMAP storage.
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Applications:
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* ChanIsAvail() now has a 't' option, which allows the specified device
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to be queried for state without consulting the channel drivers. This
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performs mostly a 'ChanExists' sort of function.
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* SetCallerPres() has been replaced with the CALLERPRES() dialplan function
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and is now deprecated.
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* DISA()'s fifth argument is now an options argument. If you have previously
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used 'NOANSWER' in this argument, you'll need to convert that to the new
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option 'n'.
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* Macro() is now deprecated. If you need subroutines, you should use the
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Gosub()/Return() applications. To replace MacroExclusive(), we have
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introduced dialplan functions LOCK(), TRYLOCK(), and UNLOCK(). You may use
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these functions in any location where you desire to ensure that only one
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channel is executing that path at any one time.
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CDR:
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* The cdr_sqlite module has been marked as deprecated in favor of
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cdr_sqlite3_custom. It will potentially be removed from the tree
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after Asterisk 1.6 is released.
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Formats:
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* format_wav: The GAIN preprocessor definition and source code that used it
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is removed. This change was made in response to user complaints of
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choppiness or the clipping of loud signal peaks. To increasing the volume
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of voicemail messages, use the 'volgain' option in voicemail.conf
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Channel Drivers:
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* chan_sip.c: a small upgrade to support the "Record" button on the SNOM360,
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which sends a sip INFO message with a "Record: on" or "Record: off"
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header. If asterisk is set up (via features.conf) to accept "One Touch Monitor"
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requests (by default, via '*1'), then the user-configured dialpad sequence
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is generated, and recording can be started and stopped via this button. The
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file names and formats are all controlled via the normal mechanisms. If the
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user has not configured the automon feature, the normal "415 Unsupported media type"
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is returned, and nothing is done.
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* chan_local.c: the comma delimiter inside the channel name has been changed to a
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semicolon, in order to make the Local channel driver compatible with the comma
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delimiter change in applications.
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