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@ -42,7 +42,6 @@ significant experience with the Asterisk code base.
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- http://lists.digium.com/pipermail/asterisk-dev/2008-October/034700.html
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Specific project ideas in this area are listed here:
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a) Create a generic "data get" layer for Asterisk components to be able to
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expose data that they maintain. Currently, modules implement specific
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@ -56,7 +55,7 @@ significant experience with the Asterisk code base.
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with the "data put" interface in part b.
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Difficulty - 2
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Mentor - TBD
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Language - C
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b) Create a generic "data put" layer for Asterisk components to allow
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external interfaces to update configuration items, as opposed to having
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@ -67,7 +66,7 @@ significant experience with the Asterisk code base.
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"data get" interface in part a.
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Difficulty - 2
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Mentor - TBD
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Language - C
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c) Improve the performance of cache handling in the event core. The event
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API in Asterisk provides a generic interface for subscribing to and
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@ -81,7 +80,7 @@ significant experience with the Asterisk code base.
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new storage mechanism that is more efficient.
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Difficulty - 3
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Mentor - TBD
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Language - C
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d) Develop a method for federating Asterisk servers using distributed events
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with a transport suitable for communication beyond a LAN. The current
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@ -92,7 +91,7 @@ significant experience with the Asterisk code base.
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protocol such as XMPP, or something else if deemed appropriate.
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Difficulty - 2
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Mentor - TBD
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Language - C
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e) Implement a method that makes it very easy to add synchronous hooks
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throughout the code base. Hooks are arbitrary callbacks within the
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@ -100,14 +99,103 @@ significant experience with the Asterisk code base.
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behavior. While the dialplan allows applications to control much of the
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asterisk behavior, hooks allow for business logic to be applied to
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situations that are not associated with a call (eg: a sip registration
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hook could allow time-goverened registration period), or for situations
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that occur during the execution of a diaplan application (eg: codec
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hook could allow time-governed registration period), or for situations
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that occur during the execution of a dialplan application (eg: codec
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negotiation hook to apply business logic to codecs proposed in the middle
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of a Dial command, or a transfer hook to execute business logic when a
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SIP REINVITE is received).
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Difficulty - 3
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Mentor - TBD
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Language - C
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2) This section contains projects related to Voicemail support in Asterisk.
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a) Extract the support for storage backends into an API to reduce code
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complexity and its ability to be reused. The current Asterisk voicemail
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application supports storing voicemail on the filesystem, in a database
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via ODBC, and on an IMAP server. All of the storage code should be pulled
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out into a form such that it makes the current app_voicemail easier to
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maintain, but also allows the backend storage code to be used in a next
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generation voicemail implementation, or potentially other things in
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Asterisk that would like to use these interfaces.
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Difficulty - 3
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Language - C
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b) One feature that has been widely desired for Asterisk voicemail is the
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ability to customize menu layout. This project would be to improve
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existing code, or develop a new voicemail application that supports
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customizable menu layout. The app_minivm module currently in Asterisk
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is one way of approaching this project, which is to break up current
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Voicemail functionality into smaller applications to make it easier to
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build a custom voicemail system in the dialplan. Luigi Rizzo had a
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student work on a project to create a new voicemail system that included
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these features that has some work left to be completed.
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Difficulty - 4
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Language - C
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3) This section includes projects related to improving the Asterisk console and
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logging interfaces.
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a) Improve the way "verbose logging" works in Asterisk. Currently, the
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Asterisk console and logging system only supports a single verbose level.
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However, it would be extremely useful to allow a verbose setting per
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console, and per log file that verbose output is being sent to.
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Difficulty - 1
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Language - C
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b) Improve Asterisk logging such that advanced filtering is available at the
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console so that output related to a single call is available without
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having to see the output for other calls. Lack of support for debugging
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individual calls has been a long standing difficulty for Asterisk
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administrators on busy systems.
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Difficulty - 1
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Language - C
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c) In addition to being used as an administrative interface, the Asterisk
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console can also be used for making calls using the system audio and
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video interfaces. In this sense, Asterisk can be used as a highly
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configurable console based soft phone. Luigi Rizzo and some of his
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students have put a lot of work into adding video support to the Asterisk
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console when being used as a softphone. This project would be to work
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with Luigi to continue this effort to improve the GUI that opens up for
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handling calls. This would involve adding some buttons to handle calls
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and contact lists, controlling the active audio source for a call, and
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adding standard telephone buttons.
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Difficulty - 3
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Language - C
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4) This section includes projects related to internationalization.
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a) One of the projects that Luigi Rizzo previously worked on was replacing
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the "say.c" code that implemented language support for saying dates and
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times in C code, with an implementation that allows additional languages
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to be added via a configuration file with special syntax. This project
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would be to work with Luigi to enhance this code to better handle
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languages where words change in multiple ways depending on gender and
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number, and also adding more languages to the sample configuration file
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that is distributed with Asterisk.
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Difficulty - 3
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Language - C
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5) This section includes projects related to portability to other operating
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systems.
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a) Asterisk has been ported to cygwin a couple of times over the years, but
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tends to bitrot due to lack of continued support by developers. This
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project would be to revisit the current state of cygwin support and get
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it working well in Asterisk 1.6. It should already compile, or be very
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close to it. However, there is some testing to be done to ensure that
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things work properly. Also, it would be most excellent to get a console
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channel driver functioning in cygwin (chan_oss, chan_console, etc.).
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Difficulty - 3
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Language - C
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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Russell Bryant
16 years ago