[Freeswitch-users] B leg is still ringing After FXO caller hangup before ANSWERED

[Charles Wang]

Hi all,

I have a server with freeswitch 1.4.15 + freetdm(FXS/FXO). I think there is
a bug in inbound call via the freetdm FXO device.

When I try to make call from FXO and it bridges to SIP device named 1234
via the following dialplan.

 <extension name="my call test">
                <condition field="destination_number" expression="^(1234)$">
                        <action application="set" data="call_timeout=30"/>
                        <action application="bridge" data="user/1234"/>
                 </condition>
   </extension>

Before SIP 1234 answers the call, the caller (FXO) hangup call before 1234
answered. But the callee (SIP 1234 or FXS) is still ringing and stop ring
until call-timeout about 30 seconds.

It is the same condition if the callee is FXS device.

I can find two channels during ringing (A leg & B leg).
After the caller(FXO) onhook, the A leg is still alive and A leg will not
be hangup before the callee (FXS or SIP) stop ring ( call-timeout ).

There are two legs (A leg & B leg) after the caller FXO had hangup.

uuid,direction,created,created_epoch,name,state,cid_name,cid_num,ip_addr,dest,application,application_data,dialplan,context,read_codec,read_rate,read_bit_rate,write_codec,write_rate,write_bit_rate,secure,hostname,presence_id,presence_data,callstate,callee_name,callee_num,callee_direction,call_uuid,sent_callee_name,sent_callee_num,initial_cid_name,initial_cid_num,initial_ip_addr,initial_dest,initial_dialplan,initial_context
53ce4fe9-9511-4625-87ae-1448421c9810,inbound,2015-02-12
17:33:11,1423733591,FreeTDM/2:2/1234,CS_EXECUTE,unknown,unknown,,1234,bridge,freetdm/FXS1/1,XML,TEST,PCMU,8000,64000,PCMU,8000,64000,,charles,,,RINGING,,,,,,,unknown,unknown,,1234,XML,default
cf5a7ee4-cbfd-48e4-ab4e-4d757216712c,outbound,2015-02-12
17:33:12,1423733592,FreeTDM/1:1/,CS_CONSUME_MEDIA,unknown,unknown,,1,,,XML,default,,,,,,,,charles,,,RINGING,Outbound
Call,1,,53ce4fe9-9511-4625-87ae-1448421c9810,,,unknown,unknown,,1,XML,default


Can anyone help me to solve it or tell me why?

-- 
Best Regards
Charles
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