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cursor at telecomab.mx
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 Posted: Tue Aug 18, 2020 2:03 pm Post subject: [asterisk-users] Channels freeze on Confbridge |
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I am having a strange problem. We have an Asterisk 16.12.0 server
(we have upgraded at least two versions since we found the problem)
where users complain that confbridge calls end after about 30 minutes or
so. The problem is that according to Asterisk the calls are still
active. All users are cut off at the same time but a "core show
channels verbose" still shows channels as active:
CBAnn/902-0000002f;1 default s 1 Up
(None) (Empty) 04:03:43
CBAnn/902-0000002f;2 default s 1 Up
(None) (Empty) 04:03:43 6e7710ea-7c0f-4c7e-a
CBAnn/903-00000036;2 default s 1 Up
(None) (Empty) 02:47:04 05e10e42-85ec-4120-b
CBAnn/903-00000036;1 default s 1 Up
(None) (Empty) 02:47:04
PJSIP/directo-0001b7 oficina 903 2 Up
ConfBridge 903 8110221265 02:40:43 general
general 05e10e42-85ec-4120-b
PJSIP/directo-0001af oficina 902 2 Up
ConfBridge 902 8992596823 04:25:50 general
general 6e7710ea-7c0f-4c7e-a
I have to manually hangup the channels. The PSTN provider is a SIP trunk.
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+52 (55)8116-9161
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chris at PenguinPBX.com
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| Posted: Sat Aug 22, 2020 1:03 pm Post subject: [asterisk-users] Channels freeze on Confbridge |
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On 2020-08-18 13:00, Carlos Chavez wrote:
| Quote: | users complain that confbridge calls end after about 30 minutes or so
|
You might want to turn up SIP debug logging -- could be a re-INVITE is getting dropped, NAT pin-hole is closing, or some other network issue.
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Check out the new Asterisk community forum at: https://community.asterisk.org/
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Antony.Stone at asteri...
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| Posted: Sun Aug 23, 2020 3:23 am Post subject: [asterisk-users] Channels freeze on Confbridge |
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On Saturday 22 August 2020 at 22:51:48, Sebastian Nielsen wrote:
| Quote: | I had a similiar problem, but with calls dropping after 30 sec.
It turned out that Android didn't support RP-CID (Reverse Party Caller ID)
so when I sent the name of the callee to the caller (as some sort of
"centralized phonebook function") it caused calls to be dropped as android
refused to reply on the packets or sent rejections back.
|
I can see the point you're making here, but what's going to do this after 30
*minutes* of normal call?
| Quote: | Check if you have some equipment on the line which doesn't support a
specific function, and configure the equipment to use a separate SIP
account with these features turned off.
I first tought it would just ignore unsupported features, but it turned out
it outright rejects packets with unsupported features.
|
Antony.
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_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
Check out the new Asterisk community forum at: https://community.asterisk.org/
New to Asterisk? Start here:
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andrew at rwts.com.au
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| Posted: Tue Aug 25, 2020 7:22 am Post subject: [asterisk-users] Channels freeze on Confbridge |
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On Sun, 23 Aug 2020 at 18:23, Antony Stone <Antony.Stone@asterisk.open.source.it (Antony.Stone@asterisk.open.source.it)> wrote:
| Quote: | On Saturday 22 August 2020 at 22:51:48, Sebastian Nielsen wrote:
| Quote: | I had a similiar problem, but with calls dropping after 30 sec.
It turned out that Android didn't support RP-CID (Reverse Party Caller ID)
so when I sent the name of the callee to the caller (as some sort of
"centralized phonebook function") it caused calls to be dropped as android
refused to reply on the packets or sent rejections back.
|
I can see the point you're making here, but what's going to do this after 30
*minutes* of normal call?
|
Have seen plenty of ALGs do weird things like this. 30 minutes is a nice number, and nice enough that I'd go hunting for ALG issues. It's a good multiple of 3 minutes, and quite possibly is some big number someone thought to set in something that "no one would ever hit".
A tcpdump would probably show you what's going on if the logs are otherwise unclear, and you could also make sure you have sensible RTP timeout rules.
Andrew
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cursor at telecomab.mx
Guest
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| Posted: Tue Aug 25, 2020 10:47 am Post subject: [asterisk-users] Channels freeze on Confbridge |
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On 25/08/20 7:20, Andrew Yager wrote:
| Quote: | On Sun, 23 Aug 2020 at 18:23, Antony Stone <Antony.Stone@asterisk.open.source.it (Antony.Stone@asterisk.open.source.it)> wrote:
| Quote: | On Saturday 22 August 2020 at 22:51:48, Sebastian Nielsen wrote:
| Quote: | I had a similiar problem, but with calls dropping after 30 sec.
It turned out that Android didn't support RP-CID (Reverse Party Caller ID)
so when I sent the name of the callee to the caller (as some sort of
"centralized phonebook function") it caused calls to be dropped as android
refused to reply on the packets or sent rejections back.
|
I can see the point you're making here, but what's going to do this after 30
*minutes* of normal call?
|
Have seen plenty of ALGs do weird things like this. 30 minutes is a nice number, and nice enough that I'd go hunting for ALG issues. It's a good multiple of 3 minutes, and quite possibly is some big number someone thought to set in something that "no one would ever hit".
A tcpdump would probably show you what's going on if the logs are otherwise unclear, and you could also make sure you have sensible RTP timeout rules.
Andrew
|
We are zeroing in on something with the SIP trunk provider. We have are testing a new carrier and so far we have not seen the same problem.
| Quote: | --
Telecomunicaciones Abiertas de México S.A. de C.V.
Carlos Chávez
+52 (55)8116-9161 |
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