[asterisk-announce] Asterisk 13.20.0 Now Available

Asterisk Development Team asteriskteam at digium.com
Thu Mar 15 14:19:36 CDT 2018

The Asterisk Development Team would like to announce the release of Asterisk 13.20.0.
This release is available for immediate download at

The release of Asterisk 13.20.0 resolves several issues reported by the
community and would have not been possible without your participation.

Thank you!

The following issues are resolved in this release:

Security bugs fixed in this release:
 * ASTERISK-27583 - Segmentation fault occurs in asterisk with
      an invalid SDP fmtp attribute
      (Reported by Sandro Gauci)
 * ASTERISK-27582 - Segmentation fault occurs in Asterisk with
      an invalid SDP media format description
      (Reported by
      Sandro Gauci)
 * ASTERISK-27618 - Crash occurs when sending a repeated number
      of INVITE messages over TCP or TLS transport
      (Reported by
      Sandro Gauci)
 * ASTERISK-27640 - SUBSCRIBE message with a large Accept value
      causes stack corruption
      (Reported by Sandro Gauci)

New Features made in this release:
 * ASTERISK-27117 - core: Add support for timelen parsing to
      ast_parse_arg and ACO.
      (Reported by Corey Farrell)

Bugs fixed in this release:
 * ASTERISK-27703 - AMI Action VoicemailUsersList returns 0
      (Reported by Sébastien Duthil)
 * ASTERISK-24386 - Asterisk "doc/lang/language-criteria.txt"
      needs update or removal.
      (Reported by Rusty Newton)
 * ASTERISK-27689 - [patch] rtp_engine: Load format name / mime
      type in uppercase again.
      (Reported by Alexander Traud)
 * ASTERISK-27679 - res_pjsip: Endpoint destruction does not
      free DTLS configuration
      (Reported by Mak Dee)
 * ASTERISK-27684 - [patch] install_prereq: Update OpenBSD
      (Reported by Alexander Traud)
 * ASTERISK-27681 - [patch] BuildSystem: Enable IMAP storage on
      (Reported by Alexander Traud)
 * ASTERISK-27680 - [patch] res_calendar: Specialized calendars
      depend on symbols of general calendar.
      (Reported by
      Alexander Traud)
 * ASTERISK-27677 - [patch] BuildSystem: Enable system provided
      libedit on OpenBSD.
      (Reported by Alexander Traud)
 * ASTERISK-27670 - [patch] BuildSystem: Remove chan_h323
      (Reported by Alexander Traud)
 * ASTERISK-27595 - [patch] BuildSystem: Invoke ldconfig with
      previous paths.
      (Reported by Alexander Traud)
 * ASTERISK-27631 - [patch] BuildSystem: Do not warn when bash
      is not installed.
      (Reported by Alexander Traud)
 * ASTERISK-27666 - chan_sip: Crash processing CANCEL request
      (Reported by Leandro Dardini)
 * ASTERISK-27584 - Internal pjproject build doesn't disable
      (Reported by Stuart Henderson)
 * ASTERISK-27669 - [patch] codecs: Add support for WebRTC iLBC
      (Reported by Alexander Traud)
 * ASTERISK-27642 - [patch] backtrace: Avoid
      (Reported by Alexander Traud)
 * ASTERISK-27555 - [patch] install_prereq: Update Debian/Ubuntu
      (Reported by Alexander Traud)
 * ASTERISK-27656 - CDR: Leaking channel snapshots allocated by
      (Reported by Kristijan Vrban)
 * ASTERISK-27426 - chan_console: cannot read and write at the
      same time with alsa backend
      (Reported by Tzafrir Cohen)
 * ASTERISK-27621 - (null) string tailing after AsyncAGIEnd AMI
      (Reported by sungtae kim)
 * ASTERISK-27652 - Null pointer Crash in PJSIP MWI
      (Reported by Joshua Elson)
 * ASTERISK-27612 - Subscriptions Persist After Expiration and
      TCP/TLS Disconnect
      (Reported by Ross Beer)
 * ASTERISK-27571 - res_pjsip: If SIP response is received
      during shutdown a crash may occur
      (Reported by Joshua
 * ASTERISK-27637 - [patch] BuildSystem: Enable autotools in
      (Reported by Alexander Traud)
 * ASTERISK-27635 - [patch] app_voicemail: Avoid always true
      warnings with clang.
      (Reported by Alexander Traud)
 * ASTERISK-27599 - [patch] install_prereq: Update
      RHEL/CentOS/Fedora libraries.
      (Reported by Alexander
 * ASTERISK-26563 - core: macOS devmode build fails: variable
      'freeswap' set but not used
      (Reported by David M. Lee)
 * ASTERISK-27630 - [patch] editline: Avoid shifting a negative
      signed value.
      (Reported by Alexander Traud)
 * ASTERISK-16172 - Problems with siren14 codec; problems with
      siren7 sound files.
      (Reported by Steve Murphy)
 * ASTERISK-16951 - [patch] configure.ac in 1.4.37 broken with
      autoconf 2.60
      (Reported by Stéphan Kochen)
 * ASTERISK-27603 - [patch] install_prereq: Download latest
      (Reported by Alexander Traud)
 * ASTERISK-27607 - [patch] res_config_mysql: Avoid the header
      (Reported by Alexander Traud)
 * ASTERISK-24598 - When running
      ./contrib/scripts/install_prereq install-unpackaged pjproject is
      installed in wrong place
      (Reported by PowerPBX)
 * ASTERISK-27602 - [patch] BuildSystem: AC_CONFIG_AUX_DIR needs
      a directory.
      (Reported by Alexander Traud)
 * ASTERISK-27600 - [patch] BuildSystem: Allow make clean all
      (Reported by Alexander Traud)
 * ASTERISK-27598 - [patch] install_prereq: Support package
      manager DNF.
      (Reported by Alexander Traud)
 * ASTERISK-26596 - Placing call on hold temporarily locks up
      (Reported by Igor Goncharovsky)
 * ASTERISK-27596 - [patch] BuildSystem: Use the detected name
      for MD5 everywhere.
      (Reported by Alexander Traud)
 * ASTERISK-27594 - [patch] BuildSystem: Invoke install not in
      GNU but POSIX style.
      (Reported by Alexander Traud)
 * ASTERISK-27593 - [patch] BuildSystem: In OpenBSD, xmlstarlet
      is xml.
      (Reported by Alexander Traud)
 * ASTERISK-27592 - [patch] BuildSystem: Detect external library
      Lua in version 5.3.
      (Reported by Alexander Traud)
 * ASTERISK-26832 - res_pjsip: Segfault when calling
      pjsip_hdr_print_on in sip_msg.c:581
      (Reported by Ross
 * ASTERISK-27589 - [patch] BuildSystem: Avoid $EUID and use id
      -u instead.
      (Reported by Alexander Traud)
 * ASTERISK-27575 - menuselect : remove obsolete TRACE_FRAMES
      compiler flag
      (Reported by Jean Aunis - Prescom)
 * ASTERISK-27576 - [patch] res_config_pgsql: Avoid typecasting
      an int to unsigned char.
      (Reported by Alexander Traud)
 * ASTERISK-27560 - [patch] clang 5 does not know
      (Reported by Alexander Traud)
 * ASTERISK-27578 - [patch] app_osplookup.c: Avoid a format
      (Reported by Alexander Traud)
 * ASTERISK-27577 - [patch] chan_ooh323: Avoid typecasting an
      int to unsigned short.
      (Reported by Alexander Traud)
 * ASTERISK-27491 - res_pjsip_endpoint_identifier_ip only
      matches against header if match by ip fails
      (Reported by
      George Joseph)
 * ASTERISK-27549 - [patch] translate: Avoid absolute value on
      unsigned substraction.
      (Reported by Alexander Traud)
 * ASTERISK-27553 - [patch] res_curl: Avoid error message on
      (Reported by Alexander Traud)
 * ASTERISK-27557 - [patch] clang 5.0: implicit conversion to
      char changes value to negative.
      (Reported by Alexander
 * ASTERISK-27559 - [patch] editline: Avoid comparison between
      pointer and zero character constant.
      (Reported by
      Alexander Traud)
 * ASTERISK-27558 - [patch] codec_gsm: Avoid shifting a negative
      signed value.
      (Reported by Alexander Traud)
 * ASTERISK-25329 - Asterisk configure fails on 'cannot find
      ptlib-config', despite ptlib-config existing
      (Reported by
      Rusty Newton)
 * ASTERISK-27552 - [patch] chan_ooh323: Limit outgoinglimit to
      positive values as intended.
      (Reported by Alexander Traud)
 * ASTERISK-27551 - [patch] ooh323cDriver: Fix typo in header
      (Reported by Alexander Traud)
 * ASTERISK-26046 - [patch] Avoid obsolete warnings on
      (Reported by Alexander Traud)
 * ASTERISK-27539 - 'cdr submit' fails: batch mode not enabled.

      (Reported by Tzafrir Cohen)
 * ASTERISK-27498 - ICE candidate parser - ICE foundation
      parsing too short
      (Reported by Michele Prà)
 * ASTERISK-27366 - Asterisk Turkish Language Set Problem
      (Reported by Halil Ä°brahim YILDIZ)
 * ASTERISK-23133 - Documentation fix - MASTER_CHANNEL
      Unexpected Behaviour
      (Reported by Shane Mitchell)
 * ASTERISK-27531 - Compiler optimizations can break module load
      (Reported by abelbeck)
 * ASTERISK-27480 - Security: Authenticated SUBSCRIBE without
      Contact crashes asterisk
      (Reported by Ross Beer)
 * ASTERISK-24198 - Typo's
      (Reported by Walter Doekes)
 * ASTERISK-27229 - bridge: Old channel video source not set to
      NULL after unref
      (Reported by Richard Kenner)

Improvements made in this release:
 * ASTERISK-27683 - [patch] BuildSystem: Allow newer autotools
      on OpenBSD.
      (Reported by Alexander Traud)
 * ASTERISK-27651 - app_confbridge: Add Muted to ConfbridgeJoin
      and channel snapshot headers to ConfbridgeList AMI events
      (Reported by Richard Mudgett)
 * ASTERISK-27647 - app_confbridge/bridge_softmix: When channel
      muted report talking stopped if was talking.
      (Reported by
      Richard Mudgett)
 * ASTERISK-27084 - Reduce verbosity while loading PBX
      (Reported by Ludovic Gasc (Eyepea))
 * ASTERISK-24372 - [patch] Add config option to play a prompt
      to the "winner" in app_followme
      (Reported by Graham
 * ASTERISK-27461 - 3PCC patch for AMI "SIPnotify"
      (Reported by Yasuhiko Kamata)
 * ASTERISK-27348 - [patch]contrib/scripts: add a way to migrate
      from chan_sip to chan_pjsip realtime
      (Reported by Torrey

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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