Time softphone display was delay?

Hi all,
I have a problem need helped!
I call from softphne to pstn through card TDM port fxo, when the called party answered, call to esablelish but on the softphone waiting a moment (7-8 second) begin count time, and when the called party hangup, softphne continue count time (4-5 second) to stop.

Ah: i was config in the file

zapte.conf …OK

zapatal.conf

busydetect=yes
busycount=4
callprogress=yes
progzone=br (but i from vietnam, when i choose progzone=br then receive signalling 180 ringing )

If you know, please help me.
Than’k!
Regard!

Can you need set tonelist in the file indications.conf,
Set tonelist ring, busy, congetions…appropriate for zone of you (country VietNam)!
how to set them, i don’t know! sorry!
regard!