Because of a copy-and-paste from the script build_tools/download_externals,
the script build_tools/list_valid_installed_externals got its local variables.
However in the latter, three variables were not used actually.

Change-Id: I252de5a98c17ea54459174875357c22c2eebe8d5

ASTERISK-27581

Change-Id: If6af275764741a11030f0a4fd324fa29b376d74e

Add an AMI action which provides information on all
configured Contacts.

ASTERISK-27581

Change-Id: I2eed42c74bbc725fad26b8b33b1a5b3161950c73

I've audited all modules that include any header which includes
asterisk/optional_api.h.  All modules which use OPTIONAL_API now declare
those dependencies in AST_MODULE_INFO using requires or optional_modules
as appropriate.

In addition ARI dependency declarations have been reworked.  Instead of
declaring additional required modules in res/ari/resource_*.c we now add
them to an optional array "requiresModules" in api-docs for each module.
This allows the AST_MODULE_INFO dependencies to include those missing
modules.

Change-Id: Ia0c70571f5566784f63605e78e1ceccb4f79c606

ASTERISK-27607

Change-Id: I23d00ded955c4afd5f2c3c9dc96dcb48b3f74eec

The installation script and the new configure option --with-pjproject-bundled
aimed to accomplish the same. However, the installation script was out of
date. Users should go for the maintained configure option, or the Wiki.

ASTERISK-24598

Change-Id: Icbf4b562f81f7c05bd24a3805bd46c0beb4ebd44

ASTERISK-27602

Change-Id: I9f4d3d2bc1481748e39ad1e2b0a364d38e38978b

Change-Id: Ic44d75141b9bf99e7d72fcc82ee111b5cf6989d2

ASTERISK-27600
Reported by: Hamid R. Hashmi

Change-Id: I683d14d024650be04074b037b6300464519409f4

ASTERISK-27555

Change-Id: Ieb41b0cbf968af12882b39454b819ebb48b9ea46

This re-enables the script ./contrib/scripts/install_prereq on Fedora 22 and
newer, and on RHEL/CentOS when the option strict=1 was set for yum install.

ASTERISK-27598
Reported by: Hunter Stevens, Said Masoud

Change-Id: I40f9517122aaa6906e8fc0962b4b8008dfddb368

Each time the dial plan is reloaded, a lot of logs like these are generated:
"Added extension 'XXXXX' priority 1 to YYYYYYYYYYY"
This patch changes the log level for those logs.

ASTERISK-27084

Change-Id: I5662902161c50890997ddc56835d4cafb456c529

Change-Id: I67ed9039bf3f132fb20ee7a750e0aef0f704d7d3

This patch fix chan_unistim hold functions to correctly support
hold function in different states possible in case of multiple lines
established on the phone

ASTERISK-26596 #close

Change-Id: Ib1e04e482e7c8939607a42d7fddacc07e26e14d4

* Add SRC_EMBEDDED variable to main/Makefile.  Built-in module sources
  must be listed in this variable to ensure they get the correct CFLAGS.

Change-Id: I920852bc17513a9c2627061a4ad40511e3a20499

Use a single loop in a loop to scan the resource list attempting to
dlopen each module.  The inner loop is repeated until it doesn't do any
work, then it is run one more time to allow printing of error messages.

Change-Id: I60c15cd57ff9680b62e2a94c7519401fa4a38e45