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chan_pjsip, app_transfer: Add TRANSFERSTATUSPROTOCOL variable

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When a Transfer/REFER is executed, TRANSFERSTATUSPROTOCOL variable is
0 when no protocl specific error
SIP example of failure, 3xx-6xx for the SIP error code received

This allows applications to perform actions based on the failure
reason.

ASTERISK-29252 #close
Reported-by: Dan Cropp

Change-Id: Ia6a94784b4925628af122409cdd733c9f29abfc4
This commit is contained in:
Dan Cropp
2021-01-22 09:12:12 -06:00
committed by George Joseph
parent 8a2f0fbbd1
commit a5364ac69b
5 changed files with 86 additions and 8 deletions
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29
main/channel.c
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@@ -6486,9 +6486,31 @@ int ast_call(struct ast_channel *chan, const char *addr, int timeout)
\arg the manager interface
*/
int ast_transfer(struct ast_channel *chan, char *dest)
{
int protocol;
return ast_transfer_protocol(chan, dest, &protocol);
}
/*!
\brief Transfer a call to dest, if the channel supports transfer
\param chan channel to transfer
\param dest destination to transfer to
\param protocol is the protocol result
SIP example, 0=success, 3xx-6xx is SIP error code
Called by:
\arg app_transfer
\arg the manager interface
*/
int ast_transfer_protocol(struct ast_channel *chan, char *dest, int *protocol)
{
int res = -1;
if (protocol) {
*protocol = 0;
}
/* Stop if we're a zombie or need a soft hangup */
ast_channel_lock(chan);
if (!ast_test_flag(ast_channel_flags(chan), AST_FLAG_ZOMBIE) && !ast_check_hangup(chan)) {
@@ -6522,6 +6544,13 @@ int ast_transfer(struct ast_channel *chan, char *dest)
res = 1;
} else {
res = -1;
/* Message can contain a protocol specific code
AST_TRANSFER_SUCCESS indicates success
Else, failure. Protocol will be set to the failure reason.
SIP example, 0 is success, else error code 3xx-6xx */
if (protocol) {
*protocol = *message;
}
}
ast_frfree(fr);