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Main • Dbwave

Dbwave

This module works with wavefile and a database driver (currently MySQL only!) to play or record wave sounds in binary database records.

From a routing module you can play a wave record like this:

 
^1$=dbwave/play//path/to/fallback/file/audiotoplay.slin;callto_account=dbaccount;callto_query=SELECT binary_field FROM table WHERE condition

Or new syntax since Yate 3.3.3

To play a sound file and hangup the call

^1$=fork;callto.1=dbwave/play//path/to/fallback/file/audiotoplay.slin;callto.1.callto_account=dbaccount;callto.1.callto_query=SELECT binary_field FROM table WHERE condition
;callto.1.fork.autoring=true;callto.2=error;stoperror=busy;autoanswer=yes

To record a wave you can use this:

 
^1$=dbwave/record//path/to/file/audiorecorded.slin;callto_account=dbaccount;callto_query=INSERT INTO table(binary_field) VALUES('$($){data}')

In the example above the construction $($){data} is specific to regexroute. The raw string required is ${data}

The matching call.execute, chan.attach and chan.record messages are modified just before being received by wavefile.

For playback (parameters source, override or replace) the query is executed and the result (must be exactly 1 row, 1 column, binary) is passed to the wavefile module as a DataBlock.

For recording (parameters consumer, call or peer) a memory stream is created that executes the query after all data is collected. The query can contain two variable parameters:

  • ${data} - holds the collected binary data
  • ${length} - holds the length of the data in bytes

The name of the parameters holding the database account and the query depends on the relevant parameter of the message.

  • param - holds the desired attach or record (example: override)
  • param_account - holds the database account used (example: override_account)
  • param_query - holds the query to execute (example: override_query)

This way you can specify different accounts and queries even if you attach or record multiple data channels in the same message.

For call.execute (when routing directly to the module) the relevant parameter is callto.

Example

To record wave data from an external module do this:
%%>message:<id>:<time>:chan.attach::consumer=dbwave/record/arbitrary.alaw:notify=myid42:single=true:consumer_account=dbaccount:consumer_query=INSERT INTO table(len,data) VALUES('${length}','${data}')

July 2014:
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March 2014:
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March 2014:
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Jan 2014:
Yate 5.1 launched. Better JavaScript support and added libygsm. Elisa chatbot added in RManager

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Oct 2013:
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Apr 2012:
YateClient was accepted in the Mac Store.

Yate 4.1 released: better Gvoice support, iSAC codec, support for new Wanpipe drivers. Fixes T.38 and Mac client issues.

Mar 2012:
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Feb 2012:
Yate 4.0 released.
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Nov 2011:
Here is a video that, quote "demonstrates the truly awesome power of the YATE engine, as it easily handles 3 simultaneous calls to an audio player application including dtmf (button press) handling "(from PaintedRockComm).

Nov 2011:
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04 May 2011:
sipgate chooses open source project Yate for core infrastructure.

12 Apr 2011:
Yate 3.3.2 released.
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9 Mar 2011:
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Bug fixes in SIGTRAN/MGCP/SS7 and added support for CNAM/LNP lookup by SIP INVITE/3xx.

Feb 2011:
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31 Jan 2011:
Yate 3.1 released.
Yate client support for Google Voice. Support for any country tones in tonegen.

20 Dec 2010:
Yate 3.0 released.
SS7 ITU certified. SS7 STP added. Client supports Jabber IM (Google Talk + Facebook).

3 May 2010:
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6-7 February 2010:
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2 Nov 2009:
Yate 2.1 launched. Can replace a Cisco PGW2200 to control a Cisco AS54xx.

6 Aug 2008:
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4 Aug 2008:
Yate 2 launched.


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