Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-28 Thread Juha Heinanen
Alex Balashov writes:

  This is the expected behaviour, but seems different from how the 
  mediaproxy module handles the issue.

even in case of mediaproxy, media sessions needs to be released using
end_media_session() call.

-- juha

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[Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Iñaki Baz Castillo
Hi, I'm realizing that rtpproxy session is not automatically terminated when 
an outgoing INVITE transaction fails ([3456]XX response received from 
downstream), so the rtpproxy session dies after a while due to time 
expiration.

So I've added the following code to my on_reply_route:


onreply_route[X] {

  if is_method(INVITE)  status =~ [3456][0-9][0-9]
unforce_rtp_proxy();


It seems to do the job. However I expected this to be done automatically by 
rtpproxy module when an INVITE transaction for which a rtpproxy session has 
been created fails.

Do I miss something? or is it the expected behavior?

Thanks a lot.

-- 
Iñaki Baz Castillo i...@aliax.net

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Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Ovidiu Sas
It is the expected behavior.  You can do that on failure_route (if you arm one).
And if you do redirection based on 3xx, there's no need to terminated
the rtp session and start a new one.

Regards,
Ovidiu Sas

On Wed, Jan 27, 2010 at 8:27 AM, Iñaki Baz Castillo i...@aliax.net wrote:
 Hi, I'm realizing that rtpproxy session is not automatically terminated when
 an outgoing INVITE transaction fails ([3456]XX response received from
 downstream), so the rtpproxy session dies after a while due to time
 expiration.

 So I've added the following code to my on_reply_route:

 
 onreply_route[X] {

  if is_method(INVITE)  status =~ [3456][0-9][0-9]
    unforce_rtp_proxy();
 

 It seems to do the job. However I expected this to be done automatically by
 rtpproxy module when an INVITE transaction for which a rtpproxy session has
 been created fails.

 Do I miss something? or is it the expected behavior?

 Thanks a lot.

 --
 Iñaki Baz Castillo i...@aliax.net

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Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Peter Lemenkov
Hello All!

2010/1/27 Iñaki Baz Castillo i...@aliax.net:
 Hi, I'm realizing that rtpproxy session is not automatically terminated when
 an outgoing INVITE transaction fails ([3456]XX response received from
 downstream), so the rtpproxy session dies after a while due to time
 expiration.

 So I've added the following code to my on_reply_route:

 
 onreply_route[X] {

  if is_method(INVITE)  status =~ [3456][0-9][0-9]
    unforce_rtp_proxy();
 

Yes, that's correct.

 It seems to do the job. However I expected this to be done automatically by
 rtpproxy module when an INVITE transaction for which a rtpproxy session has
 been created fails.

 Do I miss something? or is it the expected behavior?

Unfortunately, yes.
To be able to close rtp session automatically, you need exlplicitly
watch call state (with dialog module, for example), and that can be
considered as a performance loss.

-- 
With best regards, Peter Lemenkov.
Sent from Moscow, Mow, Россия

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Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Iñaki Baz Castillo
El Miércoles, 27 de Enero de 2010, Ovidiu Sas escribió:
 It is the expected behavior.  You can do that on failure_route (if you arm
  one). And if you do redirection based on 3xx, there's no need to
  terminated the rtp session and start a new one.

Good point. Terminating the rtpproxy session upon receipt of an error response 
would break the possibility of using serial forking (in failure_route) with 
the already opened rtpproxy session (anyhow I think it's better to invoke 
RtpProxy for each transaction serial/parallel fork).

However, IMHO it could be more user-friendly. In case the incoming transaction 
ends (when Kamailio replies [3456]XX to the UAC) then it makes no sense to 
leave the rtpproxy session open. Instead, rtpproxy module could terminate it 
(if it exists).

This is: I just mean the case in which Kamailio terminates the incoming 
transaction, but not the case in which a error response is got from 
downstream.

Opinnions?
Thanks a lot.


-- 
Iñaki Baz Castillo i...@aliax.net

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Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Ovidiu Sas
On Wed, Jan 27, 2010 at 9:04 AM, Iñaki Baz Castillo i...@aliax.net wrote:
 El Miércoles, 27 de Enero de 2010, Ovidiu Sas escribió:
 It is the expected behavior.  You can do that on failure_route (if you arm
  one). And if you do redirection based on 3xx, there's no need to
  terminated the rtp session and start a new one.

 Good point. Terminating the rtpproxy session upon receipt of an error response
 would break the possibility of using serial forking (in failure_route) with
 the already opened rtpproxy session (anyhow I think it's better to invoke
 RtpProxy for each transaction serial/parallel fork).

 However, IMHO it could be more user-friendly. In case the incoming transaction
 ends (when Kamailio replies [3456]XX to the UAC) then it makes no sense to
 leave the rtpproxy session open. Instead, rtpproxy module could terminate it
 (if it exists).

 This is: I just mean the case in which Kamailio terminates the incoming
 transaction, but not the case in which a error response is got from
 downstream.

In most of this cases (if not all) the rtp session should not be opened.
I like the way it is because I know exactly what's going on (no under
the hood decisions).
If a session is not closed, I know who to blame ;)

Regards,
Ovidiu Sas

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Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Iñaki Baz Castillo
El Miércoles, 27 de Enero de 2010, Ovidiu Sas escribió:

 In most of this cases (if not all) the rtp session should not be opened.

Well, the case is that when invoking force_rtpproxy() for the INVITE, RtpProxy 
already allocates 2 file descriptors (UDP sockets for RTP and RTCP) so we can 
get into ulimits problems.


-- 
Iñaki Baz Castillo i...@aliax.net

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Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Alex Balashov
This is the expected behaviour, but seems different from how the 
mediaproxy module handles the issue.


On 01/27/2010 08:27 AM, Iñaki Baz Castillo wrote:


Hi, I'm realizing that rtpproxy session is not automatically terminated when
an outgoing INVITE transaction fails ([3456]XX response received from
downstream), so the rtpproxy session dies after a while due to time
expiration.

So I've added the following code to my on_reply_route:


onreply_route[X] {

   if is_method(INVITE)  status =~ [3456][0-9][0-9]
 unforce_rtp_proxy();


It seems to do the job. However I expected this to be done automatically by
rtpproxy module when an INVITE transaction for which a rtpproxy session has
been created fails.

Do I miss something? or is it the expected behavior?

Thanks a lot.




--
Alex Balashov - Principal
Evariste Systems LLC

Tel: +1 678-954-0670
Direct : +1 678-954-0671
Web: http://www.evaristesys.com/

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Re: [Kamailio-Users] rtpproxy session is not automatically deleted if INVITE transaction fails?

2010-01-27 Thread Daniel-Constantin Mierla



On 1/27/10 9:19 PM, Alex Balashov wrote:
This is the expected behaviour, but seems different from how the 
mediaproxy module handles the issue.


On 01/27/2010 08:27 AM, Iñaki Baz Castillo wrote:

Hi, I'm realizing that rtpproxy session is not automatically 
terminated when

an outgoing INVITE transaction fails ([3456]XX response received from
downstream), so the rtpproxy session dies after a while due to time
expiration.

So I've added the following code to my on_reply_route:


onreply_route[X] {

   if is_method(INVITE)  status =~ [3456][0-9][0-9]
 unforce_rtp_proxy();


It seems to do the job. However I expected this to be done 
automatically by
rtpproxy module when an INVITE transaction for which a rtpproxy 
session has

been created fails.

Do I miss something? or is it the expected behavior?
this the behavior from beginning of nathelper/rtpproxy. The default 
config for 1.5 and 3.0 has it in failure_route. You can use it pretty 
much standalone, without constraints to modules such as tm, in case you 
want to have a media relay (required sometimes for interconnection). 
nathelper dependency on usrloc is for natpinging and user's sip nat 
traversal.


Cheers,
Daniel

--
Daniel-Constantin Mierla
* http://www.asipto.com/


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