Asterisk 17.5.0 Now Available

The Asterisk Development Team would like to announce the release of Asterisk 17.5.0.

This release is available for immediate download at

The release of Asterisk 17.5.0 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:

Bugs fixed in this release:


/channels/create doesn’t get any parameters from the body
(Reported by sungtae kim)
res_pjsip_logger writing too big packets
(Reported by nappsoft)
Wrong return value check for fwrite when writing to pcap file
(Reported by nappsoft)
res_pjsip: Crash when escaping during URI printing
(Reported by nappsoft)
x-ast-orig-host not filtered out from request URI and To header
(Reported by nappsoft)
res_pjsip_session: Unnecessary re-Invite on call answer
(Reported by Alexei Gradinari)
res_srtp: Answered Crypto Suite might be wrong in SDP/SDES.
(Reported by Alexander Traud)
bridge_softmix: Conference bridge not passing silent rtp packets
(Reported by Jonathan Hunter)
res_musiconhold: Module res_musiconhold throws false warning
(Reported by Nicholas John Koch)
RTP ICE leaks the memory
(Reported by sungtae kim)
res_pjsip: PJSIP Registration Fails when transport=transport-udp6
(Reported by Peter Sokolov)
SIGSEGV when pjsip show history encounters IPV6 address
(Reported by Roger James)
tcptls: Fix notice when TLS is enabled but not configured.
(Reported by Alexander Traud)
app_osplookup.c: Avoid a format truncation.
(Reported by Alexander Traud)
Non async-signal-safe syscalls used after fork before exec
(Reported by nappsoft)
streams: One memory leak and one issue cloning streams
(Reported by George Joseph)
app_queue: leaking stasis subscription when Redirecting call
(Reported by lvl)
app_queue: Ghost channels in “core show channels” output
(Reported by Etienne Lessard)
pjsip: Increase maximum candidate count
(Reported by Joshua C. Colp)
Crash while Forwarding from TLS extension with CHANNEL args secure_bridge_media and secure_bridge_signaling
(Reported by Shlomi Gutman)
Unprotected access to nochecksums variable, causes build failures
(Reported by Guido Falsi)
app_fax: Compile.
(Reported by Alexander Traud)

Improvements made in this release:


res_pjsip_logger: Add tons’o’functionality
(Reported by Joshua C. Colp)
ari: Add support for specifying variables on channel create
(Reported by Joshua C. Colp)
pjproject has race conditions in it’s build system
(Reported by Guido Falsi)
third-party/pjproject/configure.m4 contains bashisms
(Reported by Guido Falsi)
Missing include on FreeBSD
(Reported by Guido Falsi)
chan_mobile creates PCMA streams that make some VoIP clients crash or not render received audio
(Reported by Peter Turczak)

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

Thank you for your continued support of Asterisk!

What can we help you find?