Re: [asterisk-users] issue with sip 180 responses

2009-04-19 Thread Yehavi Bourvine 
 Maybe it is buffering issues with the kernel? Does it happen only when
there is a peak in the new calls rate? Do all 180 messages get dropped?

   __Yehavi:

2009/4/19 Nir Levi n...@bezeqint.co.il



  Hello,

 SIP invites are accepted from imitator , but 'SIP 180'  is not  responded
 back  to imitator.



 By inspecting the issue , we can **see** the response is generated and
 sent from asterisk (via asterisk logger (sip debug )) , but while sniffing
 the interface with tcpdump, we can't see 180 response on the interface.



 We don’t have errors on the interface, firewall is disabled , seems there's
 no packet lost  (checked with ping with low interval ) , and routes are ok …




 By our tests we can see there is a direct connection between the mass of
 the calls, and between the lost of sip 180 responses.



 We're using Asterisk 1.4.4, with real-time configuration, also we made few
 **modifications** in asterisk source code (changed app_dial.c,
 /app_macro.c, /func_cdr.c)…



 We're not sure if the problem on the OS Level (Centos 5.2) or in the
 asterisk application.

 Please assist…

 ~Nir






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Re: [asterisk-users] issue with sip 180 responses

2009-04-19 Thread C. Savinovich 
I am having a similar issue.  Asterisk does not show ringback tone and I
investigated this due to it not reading sip invite 180. (or supposedly not
receiving it).. My solution is that now I am using h323

(ver 1.4.19)

 

CS

 

 

From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Yehavi
Bourvine
Sent: Sunday, April 19, 2009 4:22 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] issue with sip 180 responses

 

Maybe it is buffering issues with the kernel? Does it happen only when there
is a peak in the new calls rate? Do all 180 messages get dropped?

 

   __Yehavi:

 

2009/4/19 Nir Levi n...@bezeqint.co.il



 


 

Hello,

SIP invites are accepted from imitator , but 'SIP 180'  is not  responded
back  to imitator. 

 

By inspecting the issue , we can *see* the response is generated and sent
from asterisk (via asterisk logger (sip debug )) , but while sniffing the
interface with tcpdump, we can't see 180 response on the interface.

 

We don't have errors on the interface, firewall is disabled , seems there's
no packet lost  (checked with ping with low interval ) , and routes are ok .


 

By our tests we can see there is a direct connection between the mass of the
calls, and between the lost of sip 180 responses.

 

We're using Asterisk 1.4.4, with real-time configuration, also we made few
*modifications* in asterisk source code (changed app_dial.c, /app_macro.c,
/func_cdr.c).

 

We're not sure if the problem on the OS Level (Centos 5.2) or in the
asterisk application.

Please assist.

~Nir

  

 

 


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