The enum values for ast_strsep_flags includes
AST_STRSEP_STRIP. However, some comments reference
AST_SEP_STRIP, which doesn't exist. This fixes
these comments to use the correct value.

ASTERISK-29800 #close

Change-Id: If7bbd0c0e6226a211d25ddf9d1629347e2674943

Includes some minor updates to extensions.conf
and iax.conf. In particular, the demonstration
of macros in extensions.conf is removed, as
Macro is deprecated and will be removed soon.
These examples have been replaced with examples
demonstrating the usage of Gosub instead.

The older exten => ...,n syntax is also mostly
replaced with the same keyword to demonstrate the
newer, more concise way of defining extensions.

IAXTEL no longer exists, so this example is replaced
with something more generic.

Some documentation is also added to extensions.conf
and iax.conf to clarify some of the new expanded
encryption capabilities with IAX2.

ASTERISK-29758 #close

Change-Id: I04fba9671aa1ee9ba1bd5027061f80bbe38e7b46

Adds a ReceiveText application that can be used in
conjunction with SendText. Currently, there is no
way in Asterisk to receive text in the dialplan
(or anywhere else, really). This allows for Asterisk
to be the recipient of text instead of just the sender.

ASTERISK-29759 #close

Change-Id: Ica2c354a42bff69f323a0493d3a7cd0fb129d52d

Currently MSet can only parse a maximum of 24 variables.
If more variables are provided to MSet, the 24th variable
will simply contain the remainder of the string and the
remaining variables thereafter will never get set.

This increases the number of variables that can be parsed
in one go from 24 to 99. Additionally, documentation is added
since this limitation is currently undocumented and is
confusing to users who encounter this limitation.

ASTERISK-29766 #close

Change-Id: I3fe35b462dedec0a452fd9ea7f92c920a3939f16

Attempting to access ${CHANNEL(ruri)} in a pre-dial handler before
initiating an outgoing call will cause Asterisk to crash. This is
because a null field is accessed, resulting in an offset from null and
subsequent memory access violation.

Since RURI is not guaranteed to exist, we now check if the base
pointer is non-null before calculating an offset.

ASTERISK-29772

Change-Id: Icd3b02f07256bbe6615854af5717074087b95a83

Adds the JSON_DECODE function for parsing JSON in the
dialplan. JSON parsing already exists in the Asterisk
core and is used for many different things. This
function exposes the basic parsing capability to
the user in the dialplan, for instance, in conjunction
with CURL for using API responses.

ASTERISK-29706 #close

Change-Id: Iea60c49a7358dfdc2db60803cdc9a742f808ba2c

Change-Id: I22a788ebf11168fff7fbf9ea956ebcd705ab63dd

Currently, variable substitution involving dialplan
extensions is quite clunky since it entails obtaining
the current dialplan location, backing it up, storing
the desired variables for substitution on the channel,
performing substitution, then restoring the original
location.

In addition to being clunky, things could also go wrong
if an async goto were to occur and change the dialplan
location during a substitution.

Fundamentally, there's no reason it needs to be done this
way, so new API is added to allow for directly passing in
the dialplan location for the purposes of variable
substitution so we don't need to mess with the channel
information anymore. Existing API is not changed.

ASTERISK-29745 #close

Change-Id: I23273bf27fa0efb64a606eebf9aa8e2f41a065e4

Adds tech-agnostic support for MF signaling by adding
MF sender and receiver applications as well as Dial
integration.

ASTERISK-29496-mf #do-not-close

Change-Id: I61962b359b8ec4cfd05df877ddf9f5b8f71927a4

Otherwise, the value 'false' was not found in the enumerated set of
the XML DTD for the XML attribute 'required' in the XML element
'parameter'. Therefore, DTD validation of the runtime XML failed.

ASTERISK-29790

Change-Id: Id13f230ad65a70dd8c2e3ae9ac85d1e841aed03e

Change-Id: I5b5cf9c9cbbe00ba8b379a8d162ac67445d39016

ASTERISK-29791

Change-Id: I7c656498427fcadd0a5d61a54ff67e6036609725

In developer mode, use internal documentation as well.
This should produce no warnings. Fix yours!

In noisy mode, output all possible warnings of Doxygen.
This creates zillion of warnings. Double-check your current module!

Any warnings are in the file './doxygen.log'. Beside that, this change
avoids deprecated parameters because the configuration file for Doxygen
contains only those parameters which differ from the default. This
avoids the need to update the file on each run. Furthermore, it adds
AST_VECTOR to be expanded. Finally, the default name for that file is
Doxyfile. Therefore, let us use that!

ASTERISK-26991
ASTERISK-20259

Change-Id: I4129092a199d5e24c319a09cd088614b121015af

res_sdp_crypto_parse_offer(.) emits many log messages already.

ASTERISK-29785

Change-Id: I1a191ebe4fec1102946d4e31887e5197ca02dfe8

We know that passing a NULL or empty argument to
ast_channel_get_by_name() will never result in a matching channel and
will always result in an error being emitted, so just short-circuit
out in that case.

ASTERISK-28219 #close

Change-Id: I88eadc748e9c6996fc17467b0a05881bbfd00bce

res/res_rtp_asterisk.c: Adding 1 to rtpstart if it is deteremined
that rtpstart was configured to be an odd value. Also adding a loop
counter to prevent a possible infinite loop when looking for a free
port.

ASTERISK-27406

Change-Id: I90f07deef0716da4a30206e9f849458b2dbe346b

changed that when we recive a CANCEL that we set HANGUPCAUSE to AST_CAUSE_NORMAL_CLEARING

ASTERISK-28053
Reported by: roadkill

Change-Id: Ib653aec2282f55b59d87484391cc07c8e6612b89

These are the remaining issues found in /res.

ASTERISK-29761

Change-Id: I572e6019c422780dde5ce8448b6c85c77af6046d

Newer versions of spandsp did refactoring of code to add new features
like color FAXing. This refactoring broke backwards compatibility.
Add support for the new version while retaining support for 0.0.6.

ASTERISK-29729 #close

Change-Id: I3bd74550604ebcf0304528d647fa39abc62fbaa1

ASTERISK-29763

Change-Id: Ib8359e3590a9109eb04a5376559d040e5e21867e

ASTERISK-29779

Change-Id: If338163488498f65fa7248b60e80299c0a928e4b

Since Doxygen 1.8.16, a special comment block is required. Otherwise
(pure C comment), the group command is ignored. Additionally, several
unbalanced group commands were fixed.

ASTERISK-29732

Change-Id: I4687857b9d56e6f44fd440b73af156691660202e

Most examples in the XML documentation use the
example tag to demonstrate examples, which gets
parsed specially in the Wiki to make it easier
to follow for users.

This fixes a few modules to use the example
tag instead of vanilla para tags to bring them
in line with the standard syntax.

ASTERISK-29777 #close

Change-Id: I9acb6cc5faf1d220e73c6dd28592371d768d279b

A backend's implementation of the realtime 'require' function may call
va_arg() and then fail, leaving the va_list in an undefined
state. Pass a copy of the va_list instead.

ASTERISK-29771 #close

Change-Id: I555565a72af84e96d49f62fe8cb66ba5a78461f4

Refactors generic functions used for email generation
into utils.c so that they can be used by multiple
modules, including app_voicemail and app_minivm,
to avoid code duplication.

ASTERISK-29715 #close

Change-Id: I1de0ed3483623e9599711129edc817c45ad237ee

ASTERISK-29776

Change-Id: I86e5eca66fb775a5744af0c929fb269e70575a73

ASTERISK-29764

Change-Id: I6e5466cce03e25695c5c7d8b68c305184dcf5375

ASTERISK-29773

Change-Id: Ica93160d9158cc0e80c5fda829b80d1b49a6b9b9

ASTERISK-29765

Change-Id: I654ba0debe8351038d4433716434a09370f04c9d

This avoids a few long-name overflows, at the cost of less instructive
names in the case of C++ (specifically overloaded functions and class
methods).  This in turn is offset against the fact that we're logging
the filename and line numbers in any case.

Change-Id: I54101a0bb5f8cb9ef63ec12c5e0d4c8edafff9ed
Signed-off-by: Jaco Kroon <jaco@uls.co.za>

In the AO2_ALLOC_OPT_LOCK_NOLOCK case the referenced obj
structure is freed, but is then referenced later if ref_log is
enabled. The change is to store the obj->priv_data.options value
locally and reference it instead of the value from the freed obj

ASTERISK-29730

Change-Id: I60cc5dc1f5a4330e7ad56976fc38a42de0ab6072

ASTERISK-29762

Change-Id: Ia8811ac12b93ff8c18164699c6fbc604cb0a23f7

Local channels are made up of two pairs - the 1 and 2
sides. When a frame goes in one side, it comes out the
other. Back and forth. When both halves are in a
bridge this creates an infinite loop of frames.

This change makes it so that bridging no longer
allows both of these sides to exist in the same
bridge.

ASTERISK-29748

Change-Id: I29928b6de87cd9be996a77daccefd7c360fef651

Makes basic call progress tone detection available
in a tech-agnostic manner with the addition of the
ToneScan application. This can determine if the channel
has encountered a busy signal, SIT tones, dial tone,
modem, fax machine, etc. A few basic async progress
tone detect options are also added to the TONE_DETECT
function.

ASTERISK-29720 #close

Change-Id: Ia02437e0450473031e294798b8cb421fb8f24e90

ASTERISK-29727 #close

Change-Id: I2eca8aeb591cb63ac2238d08eab662367453cb82

ASTERISK-29754

Change-Id: Ia09eb68d283d201d9a6fbeccfc0efe83fe0502a5

ASTERISK-29753

Change-Id: I7a61974584f6169502e6860fc711919fe7bbfaa7

Python 3.9.7 gave a syntax warning.

Change-Id: I3e3a982fe720726bc0015bcdb0e638a626ec89d4

ASTERISK-29755

Change-Id: I8240013ec3db0669c0acf67e26bf6c9cbb5b72af