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<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Hi,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>(Filed in JIRA FS-2899. Please let me know if posting this on the list as
well is frowned upon.)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>I’m using switch_limit in a loopback extension with the following
problematic dialplan fragment (full dialplan context at end of message):<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <extension name="limit_exceeded"><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <condition
field="destination_number"
expression="^limit_exceeded$"><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <action
application="hangup" data="NORMAL_CIRCUIT_CONGESTION"/><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> </condition><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> </extension><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>This works fine in MOST cases with the expected result:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> switch_ivr_originate.c:3448 Originate Resulted in Error Cause:
34 [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Every once in a while though this very same extension will magically
yield:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> switch_ivr_originate.c:3448 Originate Resulted in Error Cause:
19 [NO_ANSWER]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Looking at the log snippets pasted below the correct result (34) appears
when this sequence of events occurs (first snippet):<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> mod_loopback.c:425 Hangup loopback/18884447693-a
[CS_CONSUME_MEDIA] [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> switch_ivr_originate.c:3448 Originate Resulted in Error Cause:
34 [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>The incorrect answer (19) appears whenever this sequence shows in the
logs:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> switch_ivr_originate.c:3448 Originate Resulted in Error Cause:
19 [NO_ANSWER]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> mod_loopback.c:425 Hangup loopback/18884447701-a
[CS_CONSUME_MEDIA] [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Pouring over my logs this ALWAYS is the case. Whenever the wrong error
cause appears the switch_ivr_originate call precedes the mod_loopback call.
Conversely whenever the correct error cause is given the call sequence is
reversed.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>I can reproduce this at will by rapidly invoking the loopback extension
in the dialplan pasted at the bottom of this mail.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Any help is appreciated.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>Cheers,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>-Slim<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>----8<----8<----8<----8<----8<----8<----8<----<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>EXECUTE loopback/18884447693-b hangup(NORMAL_CIRCUIT_CONGESTION)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.318020 [DEBUG] switch_channel.c:2455 (loopback/18884447693-b)
Callstate Change EARLY -> HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.318020 [NOTICE] mod_dptools.c:906 Hangup loopback/18884447693-b
[CS_EXECUTE] [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.319023 [DEBUG] switch_channel.c:2471 Send signal
loopback/18884447693-b [KILL]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.319023 [DEBUG] mod_loopback.c:468 loopback/18884447693-b
CHANNEL KILL<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.319023 [DEBUG] switch_core_session.c:1083 Send
signal loopback/18884447693-b [BREAK]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.319023 [DEBUG] mod_loopback.c:468 loopback/18884447693-b
CHANNEL KILL<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.320024 [DEBUG] switch_core_session.c:1993
loopback/18884447693-b skip receive message [APPLICATION_EXEC_COMPLETE] (chann<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>el is hungup already)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.320024 [DEBUG] switch_core_state_machine.c:366
(loopback/18884447693-b) State EXECUTE going to sleep<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.320024 [DEBUG] switch_core_state_machine.c:320
(loopback/18884447693-b) Running State Change CS_HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.321011 [DEBUG] switch_core_state_machine.c:557
(loopback/18884447693-b) State HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.321983 [DEBUG] mod_loopback.c:414 loopback/18884447693-b
CHANNEL HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.321983 [DEBUG] switch_channel.c:2455 (loopback/18884447693-a)
Callstate Change EARLY -> HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.321983 [NOTICE] mod_loopback.c:425 Hangup
loopback/18884447693-a [CS_CONSUME_MEDIA] [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:13.322995 [DEBUG] switch_ivr_originate.c:3448
Originate Resulted in Error Cause: 34 [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>----8<----8<----8<----8<----8<----8<----8<----<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>EXECUTE loopback/18884447701-b hangup(NORMAL_CIRCUIT_CONGESTION)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.364448 [DEBUG] switch_channel.c:2455 (loopback/18884447701-b)
Callstate Change EARLY -> HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.365470 [NOTICE] mod_dptools.c:906 Hangup loopback/18884447701-b
[CS_EXECUTE] [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.365470 [DEBUG] switch_channel.c:2471 Send signal
loopback/18884447701-b [KILL]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.365470 [DEBUG] mod_loopback.c:468 loopback/18884447701-b
CHANNEL KILL<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.365470 [DEBUG] switch_core_session.c:1083 Send
signal loopback/18884447701-b [BREAK]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.366485 [DEBUG] mod_loopback.c:468 loopback/18884447701-b
CHANNEL KILL<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.366485 [DEBUG] switch_core_session.c:1993
loopback/18884447701-b skip receive message [APPLICATION_EXEC_COMPLETE] (chann<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>el is hungup already)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.366485 [DEBUG] switch_core_state_machine.c:366
(loopback/18884447701-b) State EXECUTE going to sleep<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.367508 [DEBUG] switch_core_state_machine.c:320
(loopback/18884447701-b) Running State Change CS_HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.369585 [DEBUG] switch_core_state_machine.c:557
(loopback/18884447701-b) State HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.369585 [DEBUG] mod_loopback.c:414 loopback/18884447701-b
CHANNEL HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.369585 [DEBUG] switch_channel.c:2455 (loopback/18884447701-a)
Callstate Change EARLY -> HANGUP<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.369585 [DEBUG] switch_ivr_originate.c:3448
Originate Resulted in Error Cause: 19 [NO_ANSWER]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>2010-12-05 01:27:14.369585 [NOTICE] mod_loopback.c:425 Hangup
loopback/18884447701-a [CS_CONSUME_MEDIA] [NORMAL_CIRCUIT_CONGESTION]<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'>----8<----8<----8<----8<----8<----8<----8<----<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <context name="tech-outbound"><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <extension name="tech-outbound"><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <condition
field="destination_number" expression="^1888(\d{7})$"><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <action
application="info"/><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <action
application="set" data="loopback_bowout=false"/><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <action
application="limit" data="db outgoing goip 1" /><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <action
application="bridge"
data="{ignore_early_media=true}sofia/internal/${destination_number}@192.168.3.11:5060"/><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> </condition><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> </extension><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <extension name="limit_exceeded"><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <condition
field="destination_number"
expression="^limit_exceeded$"><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <action
application="<nothing> OR <answer> OR <pre_answer>"/>
<!-- Tried all 3 variations, no difference --><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> <action
application="hangup" data="NORMAL_CIRCUIT_CONGESTION"/><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> </condition><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> </extension><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt'> </context><o:p></o:p></span></font></p>
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