The Asterisk Development Team has announced the release of Asterisk 11.21.0.

This release is available for immediate download at

The release of Asterisk 11.21.0 resolves several issues reported by the community and would have not been possible without your participation.

Thank you!

The following are the issues resolved in this release:

Bugs fixed in this release:


* ASTERISK-25640 – pbx: Deadlock on features reload and state

     change hint. (Reported by Krzysztof Trempala)

* ASTERISK-25364 – Issue a TCP connection(kernel) and

     thread of asterisk is not released (Reported by Hiroaki Komatsu)

* ASTERISK-25569 – app_meetme: Audio quality issues (Reported by

     Corey Farrell)

* ASTERISK-25609 – Asterisk may crash when calling

     ast_channel_get_t38_state(c) (Reported by Filip Jenicek)

* ASTERISK-24146 – No audio on WebRtc caller side when

     answer waiting time is more than ~7sec (Reported by Aleksei


* ASTERISK-25599 – SLIN Resampling Codec only 80 msec

     (Reported by Alexander Traud)

* ASTERISK-25616 – Warning with a Codec Module which supports PLC

     with FEC (Reported by Alexander Traud)

* ASTERISK-25610 – Asterisk crash during “sip reload” (Reported by

     Dudás József)

* ASTERISK-25498 – Asterisk crashes when negotiating g729 without

     that module installed (Reported by Ben Langfeld)

* ASTERISK-25476 – chan_sip loses registrations after a while

     (Reported by Michael Keuter)

* ASTERISK-25593 – fastagi: record file closed after sending

     result (Reported by Kevin Harwell)

* ASTERISK-25585 – rasterisk never hits most of main(), but

     it’s assumed to (Reported by Walter Doekes)

* ASTERISK-25552 – hashtab: Improve NULL tolerance (Reported by

     Joshua Colp)

* ASTERISK-25449 – main/sched: Regression introduced by

     5c713fdf18f causes erroneous duplicate RTCP messages; other

     potential scheduling issues in chan_sip/chan_skinny (Reported by

     Matt Jordan)

* ASTERISK-25537 – format-attribute module: RFC or

     internal defaults? (Reported by Alexander Traud)

* ASTERISK-25373 –  add documentation for CALLERID(pres) and also

     the CONNECTEDLINE and REDIRECTING variants (Reported by Walter


* ASTERISK-25527 – Quirky xmldoc description wrapping (Reported by

     Walter Doekes)

* ASTERISK-25434 – Compiler flags not reported in ‘core show

     settings’ despite usage during compilation (Reported by Rusty


* ASTERISK-25494 – build:  GCC 5.1.x catches some new const, array

     bounds and missing paren issues (Reported by George Joseph)

* ASTERISK-7803 – Update the maximum packetization values

     in frame.c (Reported by dea)

* ASTERISK-25461 – Nested dialplan #includes don’t work as

     expected. (Reported by Richard Mudgett)

* ASTERISK-25455 – Deadlock of PJSIP realtime over

     res_config_pgsql  (Reported by mdu113)

* ASTERISK-25135 – RTP Timeout hangup cause code missing

     (Reported by Olle Johansson)

* ASTERISK-25400 – Hints broken when “CustomPresence” doesn’t

     exist in AstDB (Reported by Andrew Nagy)

* ASTERISK-25443 – IPv6 – Potential issue in via header

     parsing (Reported by ffs)

* ASTERISK-25391 – AMI GetConfigJSON returns invalid JSON

     (Reported by Bojan Nemčić)

* ASTERISK-25438 – res_rtp_asterisk: ICE role message even when

     ICE is not enabled (Reported by Joshua Colp)

Improvements made in this release:


* ASTERISK-24718 – Add inital support of “sanitize” to

     configure (Reported by Badalian Vyacheslav)

For a full list of changes in this release, please see the ChangeLog:

Thank you for your continued support of Asterisk!

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