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chan_pjsip: Add PJSIPHangup dialplan app and manager action

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See UserNote below.

Exposed the existing Hangup AMI action in manager.c so we can use
all of it's channel search and AMI protocol handling without
duplicating that code in dialplan_functions.c.

Added a lookup function to res_pjsip.c that takes in the
string represenation of the pjsip_status_code enum and returns
the actual status code.  I.E.  ast_sip_str2rc("DECLINE") returns
603.  This allows the caller to specify PJSIPHangup(decline) in
the dialplan, just like Hangup(call_rejected).

Also extracted the XML documentation to its own file since it was
almost as large as the code itself.

UserNote: A new dialplan app PJSIPHangup and AMI action allows you
to hang up an unanswered incoming PJSIP call with a specific SIP
response code in the 400 -> 699 range.

(cherry picked from commit af7e89ebf8)
This commit is contained in:
George Joseph
2023-10-31 15:08:14 -06:00
committed by Asterisk Development Team
parent cd39daaed1
commit c40496cb38
8 changed files with 992 additions and 562 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
channels/chan_pjsip.c
View File

@@ -3266,6 +3266,8 @@ static struct ast_custom_function session_refresh_function = {
.write = pjsip_acf_session_refresh_write,
};
static char *app_pjsip_hangup = "PJSIPHangup";
/*!
* \brief Load the module
*
@@ -3323,6 +3325,13 @@ static int load_module(void)
goto end;
}
if (ast_register_application_xml(app_pjsip_hangup, pjsip_app_hangup)) {
ast_log(LOG_WARNING, "Unable to register PJSIPHangup dialplan application\n");
goto end;
}
ast_manager_register_xml(app_pjsip_hangup, EVENT_FLAG_SYSTEM | EVENT_FLAG_CALL, pjsip_action_hangup);
ast_sip_register_service(&refer_callback_module);
ast_sip_session_register_supplement(&chan_pjsip_supplement);
@@ -3370,6 +3379,9 @@ end:
ast_custom_function_unregister(&chan_pjsip_dial_contacts_function);
ast_custom_function_unregister(&chan_pjsip_parse_uri_function);
ast_custom_function_unregister(&session_refresh_function);
ast_unregister_application(app_pjsip_hangup);
ast_manager_unregister(app_pjsip_hangup);
ast_channel_unregister(&chan_pjsip_tech);
ast_rtp_glue_unregister(&chan_pjsip_rtp_glue);
@@ -3399,6 +3411,8 @@ static int unload_module(void)
ast_custom_function_unregister(&chan_pjsip_dial_contacts_function);
ast_custom_function_unregister(&chan_pjsip_parse_uri_function);
ast_custom_function_unregister(&session_refresh_function);
ast_unregister_application(app_pjsip_hangup);
ast_manager_unregister(app_pjsip_hangup);
ast_channel_unregister(&chan_pjsip_tech);
ao2_ref(chan_pjsip_tech.capabilities, -1);