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 > > > > > > > ------------------------------ > This message was enriched by Impactia Technologies Ltd. > www.impactia.com > Please do not > enrich<http://impactia.bezeqint.co.il/exclude.asp?email=asterisk-us...@lists.digium.com&domain=bezeqint.co.il&id=777>emails > sent to me. > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
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