[asterisk-users] IAX2 and INVAL packets

Sebastian shop at open-t.co.uk
Thu Nov 18 14:01:49 CST 2010


Is anybody here familiar with the meaning of INVAL packets for IAX2?

Every few days I get a dropped outgoing call in the middle of the 
conversation (the outgoing call has been connected for few minutes) when 
an incoming call comes in. The log reads the following when this happens:



[Nov 17 15:25:04] DEBUG[5138] chan_iax2.c: Immediately destroying 2963, 
having received INVAL
[Nov 17 15:25:04] DEBUG[5138] chan_iax2.c: Destroying call 2963
[Nov 17 15:25:04] DEBUG[11242] chan_iax2.c: We're hanging up 
IAX2/ihs_trunk_out-2963 now...
[Nov 17 15:25:04] VERBOSE[11242] chan_iax2.c:     -- Hungup 
'IAX2/ihs_trunk_out-2963'



And more setup details, for those who still have the will to live :-)

Asterisk version: 1.6.2.13
Internal externsions: everything on SIP - 3 Grandstream GXP-2000, 2 
analog phones on a pci OpenVox card and 2 Linphone softphones
Trunks: IAX2
Trunks provider: Gradwell
Asterisk machine: 800Mhz Intel Pentium, 512MB of RAM
Internet connection: Tiscali business ADSL

I am happy to post here any config files and logs you might think would 
be relevant.

This is not consistent - and I've managed to have 4 concurrent calls 
which held 30 minutes (before I hung them up) when I tried. So not easy 
to replicate.

Sebastian



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