Asterisk 15.4.0 Now Available

The Asterisk Development Team would like to announce the release of Asterisk 15.4.0.
This release is available for immediate download at

The release of Asterisk 15.4.0 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:

New Features made in this release:

  • ASTERISK-27704 - Add cache_pools debug option to
    (Reported by Richard Mudgett)

Bugs fixed in this release:

  • ASTERISK-27804 - bridge_softmix / app_confbridge: Add support
    for combining REMB reports
    (Reported by Joshua Colp)

  • ASTERISK-27809 - [patch] utils/pval: Add -lBlocksRuntime for
    compiler clang conditionally.
    (Reported by Alexander

  • ASTERISK-27806 - BASIC-RETRANS: Implement send

    (Reported by Benjamin Keith Ford)

  • ASTERISK-27774 - res_musiconhold: Music on hold restarts
    after every announcement
    (Reported by lvl)

  • ASTERISK-27782 - cdr_mysql: Missing MYSQL_PORT definition

    (Reported by Evandro César Arruda)

  • ASTERISK-27614 - res_pjsip_session: SDP origin does not use
    resolved address
    (Reported by John M.)

  • ASTERISK-27776 - res_rtp_asterisk: Add support for sending
    RTCP feedback messages
    (Reported by Joshua Colp)

  • ASTERISK-27740 - chan_sip: New Channel creation from new SIP
    dialog with Replaces failed to be properly tracked and
    (Reported by Shannon Price)

  • ASTERISK-27786 - app_confbridge: Add ability to enable and
    configure REMB support
    (Reported by Joshua Colp)

  • ASTERISK-27706 - PJSIP: Deadlock shutting down subscription
    TCP connection and sending subscription message.
    by Ross Beer)

  • ASTERISK-27688 - res_pjsip: Crash on TCP PJSIP Transport
    (Reported by Ross Beer)

  • ASTERISK-27758 - res_rtp_asterisk: Add support for raising
    RTCP feedback messages
    (Reported by Joshua Colp)

  • ASTERISK-26366 - rtp: RTCP messages with REMB trigger fast
    picture update
    (Reported by Joshua Colp)

  • ASTERISK-27773 - Command line not being parsed correctly with
    getopt not from glibc
    (Reported by Guido Falsi)

  • ASTERISK-27435 - [patch] configure:
    pjsip_evsub_set_uas_timeout not found.
    (Reported by
    Alexander Traud)

  • ASTERISK-27761 - [patch] BuildSystem: With external editline,
    do not require libs for internal editline.
    (Reported by
    Alexander Traud)

  • ASTERISK-27755 - ConfBridge: raise ConfbridgeTalking when put
    on hold and clear talking status
    (Reported by Kevin

  • ASTERISK-27743 - Generic PLC doesn’t work if the 2 codecs on
    a channel are equal
    (Reported by George Joseph)

  • ASTERISK-27745 - [patch] BuildSystem: Remove unused
    dependency on libltdl.
    (Reported by Alexander Traud)

  • ASTERISK-12841 - [patch] Make format_ogg_vorbis work on
    (Reported by Michiel van Baak)

  • ASTERISK-27720 - [patch] BuildSystem: Enable Advanced Linux
    Sound Architecture (ALSA) in NetBSD.
    (Reported by
    Alexander Traud)

  • ASTERISK-27741 - res_pjsip_rfc3326.c
    rfc3326_use_reason_header doesn’t account for more than one
    ‘Reason’ header
    (Reported by Ross Beer)

  • ASTERISK-27734 - [patch] BuildSystem: Enable IMAP storage on
    openSUSE and Arch Linux.
    (Reported by Alexander Traud)

  • ASTERISK-27686 - [patch] install_prereq: Update FreeBSD
    (Reported by Alexander Traud)

  • ASTERISK-27733 - [patch] res_srtp: Add support for libsrtp2.x
    on openSUSE.
    (Reported by Alexander Traud)

  • ASTERISK-11015 - NetBSD Build Needs RPATH set in 1.2.25

    (Reported by Curt Sampson)

  • ASTERISK-27641 - BuildSystem: Enable Better Backtraces in
    (Reported by Alexander Traud)

  • ASTERISK-25586 - uuid_generate_random detection failure

    (Reported by John Nemeth)

  • ASTERISK-27721 - [patch] BuildSystem: Enable PortAudio in
    (Reported by Alexander Traud)

  • ASTERISK-27715 - [patch] BuildSystem: AC_PATH_PROG sets to
    colon character when not found.
    (Reported by Alexander

  • ASTERISK-27703 - AMI Action VoicemailUsersList returns 0
    (Reported by Sébastien Duthil)

  • ASTERISK-27554 - res_pjsip_rfc3326: Order of ‘Reason’ headers
    break many endpoints
    (Reported by Ross Beer)

  • ASTERISK-27441 - PJSIP: Forked INVITE SDP negotiation gets
    one way audio.
    (Reported by lvl)

  • ASTERISK-27718 - [patch] BuildSystem: Enable Lua in NetBSD.

    (Reported by Alexander Traud)

  • ASTERISK-27722 - [patch] BuildSystem: Depend not implicitly
    but explicitly on external libraries.
    (Reported by
    Alexander Traud)

  • ASTERISK-27719 - [patch] res_http_post: Enable GMime in
    (Reported by Alexander Traud)

  • ASTERISK-27716 - [patch] BuildSystem: Enable autotools in
    (Reported by Alexander Traud)

  • ASTERISK-27714 - [patch] chan_unistim: NetBSD has an
    incompatible struct in_pktinfo.
    (Reported by Alexander

  • ASTERISK-27713 - [patch] BuildSystem: Cast any intptr_t
    explicitly to its proposed type.
    (Reported by Alexander

  • ASTERISK-27712 - [patch] BuildSystem: Detect whether
    uselocale(.) is available.
    (Reported by Alexander Traud)

  • ASTERISK-27711 - [patch] BuildSystem: Avoid re-defining of
    pthread_* on NetBSD.
    (Reported by Alexander Traud)

  • ASTERISK-27710 - [patch] BuildSystem: Install init scripts on
    openSUSE Tumbleweed.
    (Reported by Alexander Traud)

  • ASTERISK-27709 - [patch] BuildSystem: Avoid == for comparison
    in ./configure.
    (Reported by Alexander Traud)

  • ASTERISK-27610 - returning TOOLONG before reaching
    the timeout
    (Reported by Michael Cargile)

  • ASTERISK-26688 - Documentation: voicemail.conf.sample shows
    512 limit for emailbody field, however this is only true if
    compiled with LOW_MEMORY option
    (Reported by Fran Vicente)

  • ASTERISK-27568 - PJSIP: Crash during SIP attended transfer.

    (Reported by Bryan Walters)

  • ASTERISK-24488 - Wrong remote identity and target in dialog
    package XML in NOTIFY
    (Reported by Alejandro Padilla)

  • ASTERISK-27646 - ICE fails with no candidate nominated

    (Reported by Thomas Guebels)

  • ASTERISK-27674 - chan_sip: RTP framing issues on outgoing
    (Reported by Jean Aunis - Prescom)

  • ASTERISK-27457 - chan_sip: Guests disallowed via TCP (or TLS)
    if existing peer from same IP.
    (Reported by Alexander

Improvements made in this release:

  • ASTERISK-27697 - Enable in-dialog NOTIFY on chan_pjsip
    (Reported by Nathan Bruning)

  • ASTERISK-27770 - [patch] install_prereq: Add Slackware
    (Reported by Alexander Traud)

  • ASTERISK-27769 - [patch] install_prereq: Add Gentoo Linux.

    (Reported by Alexander Traud)

  • ASTERISK-27738 - [patch] install_prereq: Add Arch Linux.

    (Reported by Alexander Traud)

  • ASTERISK-27736 - [patch] install_prereq: Add SUSE.

    (Reported by Alexander Traud)

  • ASTERISK-27253 - [patch] libsrtp-2.1.x support

    (Reported by Alexander Traud)

  • ASTERISK-27728 - [patch] BuildSystem: Add NetBSD.

    (Reported by Alexander Traud)

  • ASTERISK-27730 - PJSIP: Update bundled PJPROJECT to version
    (Reported by Richard Mudgett)

  • ASTERISK-27729 - [patch] install_prereq: Add NetBSD.

    (Reported by Alexander Traud)

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

Thank you for your continued support of Asterisk!