[Freeswitch-users] extra header account code is not written to cdr if cancel is received a few ms after invite

[Panagiotis Skoulikaritis]

Dear all

I have an implementation FreeSWITCH as a sort of SBC, it is used to send
the calls to the terminating carriers and do topology hiding, nothing
fancy. Also I gather cdrs from the FreeSWITCH.

In order to distinguish each customer on the FS cdrs I send an extra
header containing the accountcode.

I have noticed that if the call is canceled immediately on the same sec,
the account code is not written on the cdr.
To be more precise the cancel is send a few milliseconds after it has
received the invite, and before the FreeSWITCH has sent the call to the
terminating carrier (I'm using Homer Sipcapture to capture all the
traces and I don't see an attempt being made at the terminating carrier)
also I don't see a b-leg cdr.

FreeSWITCH is writing both a-leg and b-leg cdrs in csv format.

The dialplan that I use is simple

<extension name="carrier-1">
<condition field="network_addr"
expression="^(^xx\.xx\.xx\.xx|^yy\.yy\.yy\.yy)$"/>
<condition field="destination_number" expression="^2#(\d+)$">
<action application="set" data="call_direction=outgoing"/>
<action application="set" data="hangup_after_bridge=true"/>
<action application="set" data="continue_on_fail=true"/>
<action application="set" data="sip_cid_in_1xx=false"/>
<action application="set" data="inherit_codec=true"/>
<action application="set" data="accountcode=${sip_h_X-ACCOUNTCODE}"/>
<action application="unset" data="sip_h_X-ACCOUNTCODE"/>
<action application="set" data="execute_on_answer=sched_hangup +21600
alloted_timeout"/>
<action application="bridge" data="sofia/external/4567$1 at zz.zz.zz.zz:5070"/>
</condition>
</extension>


any idea how I can make sure that the account code will always be written ?


Best Regards

Panagiotis