Hello,
It's happens around 40 calls and above … The **machine** accepts number of invites(we can see by tcpdump ) , but asterisk sees part of them (we can see by CLI log) , and when it does , asterisk accepting an invite it reply the initator. (as it should ) – but the rest of invites are just ignored. it's seems like an O/S issue, because on asterisk level I can all going correctly via logs (invite is accepted=> packet is generated=> and 180 is sent immediately to the initiator …) which tools can help me check kernel issues ? Also, tried to increase udp buffer (sysctl -w net.core.rmem_max=8388608) , but seems the problem still persists. Also , here a screenshot of a typical dump from network interface, you can clearly see what's going on. http://img7.imageshack.us/img7/6578/sip.png Thank in advanced , Nir. *C. Savinovich*** did you isolated the issue? , checked firewall , interface errors , routing , sniffed the interface…. also , why using h323 and not IAX2 ? *From:* asterisk-users-boun...@lists.digium.com [mailto: asterisk-users-boun...@lists.digium.com] *On Behalf Of *C. Savinovich *Sent:* Sunday, April 19, 2009 5:02 PM *To:* 'Asterisk Users Mailing List - Non-Commercial Discussion' *Subject:* Re: [asterisk-users] issue with sip 180 responses 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
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