Are these sip phones?  how are you transfering?  what model phones are they?  What version of freeswitch are you using?

Mike

On Jan 2, 2009, at 10:18 AM, Sangwoo Jin wrote:

I have met the non-hanged up call after being transferred.
The following is the test scenario.
 
1.     A makes a call to B
2.     B answers the call of A and holds the call of A.
3.     B makes a call to C and transfers the call of A to C before C answers the call of B.
4.     A hangs up the call before C answers the call of A.
 
In this state, C’s phone is ringing endless.
Why is not the channel of C hanged up?