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Summary:ASTERISK-28089: function ast_sendtext() create RTP realtime packets with a trailing null byte in the payload
Reporter:Emmanuel BUU (neutrino88)Labels:
Date Opened:2018-10-03 11:09:27Date Closed:2018-10-05 14:43:31
Priority:MinorRegression?No
Status:Closed/CompleteComponents:Core/Channels
Versions:13.22.0 Frequency of
Occurrence		Constant
Related
Issues:
Environment:CentOS 7Attachments:( 0) packet3306.png
( 1) traceWebRTC.pcap
Description:When an application uses ast_sendtext() on a call with realtime text negociated, the asterisk software send a parasitic trailing null byte  inside T.140 / red packets
Comments:By: Asterisk Team (asteriskteam) 2018-10-03 11:09:29.473-0500

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].
By: Emmanuel BUU (neutrino88) 2018-10-03 11:11:24.163-0500

See packet 3306 in this .pcap file
By: Emmanuel BUU (neutrino88) 2018-10-03 11:15:20.404-0500

Will post a fix tomorrow.
By: Joshua C. Colp (jcolp) 2018-10-03 11:20:32.466-0500

Putting into feedback since you are planning to provide a fix soon.
By: Friendly Automation (friendly-automation) 2018-10-05 14:33:31.223-0500

Change 10444 merged by George Joseph:
core/frame: generate correct T.140 payload in ast_sendtext_data()

[https://gerrit.asterisk.org/10444|https://gerrit.asterisk.org/10444]
By: Friendly Automation (friendly-automation) 2018-10-05 14:33:45.155-0500

Change 10421 merged by George Joseph:
core/frame: generate correct T.140 payload in ast_sendtext_data()

[https://gerrit.asterisk.org/10421|https://gerrit.asterisk.org/10421]
By: Friendly Automation (friendly-automation) 2018-10-05 14:34:09.673-0500

Change 10443 merged by George Joseph:
core/frame: generate correct T.140 payload in ast_sendtext_data()

[https://gerrit.asterisk.org/10443|https://gerrit.asterisk.org/10443]