[Asterisk-Users] IAX2 call drop

[hskim]

Hi all,

I'm experincing IAX2 call drops for about 20% of calls.
I tried 'notransfer=yes' and 'jitterbuffer=yes' but to fail.

My system configuration is like this.
PSTN<========>Asterisk(TDM/Fxo 4port*3)<=====LAN(IAX2)=====>Iaxclient library

And iax.con is...
-----------------------------------------------
[general]
port=5036

disallow=all
allow=gsm

jitterbuffer=yes
dropcount=8
maxjitterbuffer=500
maxexccessbuffer=100
tos=lowdelay

[agent00]
type=friend
username=aaaaa
secret=aaaaa
context=default
host=dynamic
notransfer=yes
callerid=22813333

-----------------------------------------------

Any idea to reduce call drop rate?
How can i monitor or log dropped call?
If logging is possible, how can i know the reason of call drop?

Any help would greatly be appreciated.

Hong
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