[asterisk-dev] [Code Review] Make send_text() prefer real-time text if it is available (patch submitted by Emmanuel BUU on JIRA)

[Terry Wilson]

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Review request for Asterisk Developers.


Summary
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This patch was submitted by Emmanuel BUU on JIRA. I have just updated it for trunk and done some testing.

This patch causes the send_text() function (and therefor the SendText dialplan application and other places in the code) to use the write_text() callback to write text frames to the channel instead of using the send_text callback to do a more out-of-band transmission. If text has not been negotiated, or there is no write_text callback, things behave as they always have.

I am placing this up for review so that there can be some public discussion just to make sure this seems like reasonable behavior to everyone.


This addresses bug ASTERISK-17937.
    https://issues.asterisk.org/jira/browse/ASTERISK-17937


Diffs
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  /trunk/main/channel.c 331042 

Diff: https://reviewboard.asterisk.org/r/1356/diff


Testing
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I have tested with SIPcon1 and verified that the T.140 text works. I have also tried with a client that didn't support real-time text and saw that SIP MESSAGE requests were sent as they were before.


Thanks,

Terry

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