Samsung Ubigate iBG2016 Configuration Manual page 601

Router
call
Stop ring back indication
© SAMSUNG Electronics Co., Ltd.
Calling
DTE
Pick up
Call Proceeding
Ring back indication
Information
Information
Hang up
Release complete
Figure 7.1 ISDN Call Flow
Ubigate iBG2016 Configuration Guide/Ed.00
Calling Called
DCE
Set up
Set up ACK
Information
Alerting
Connect
Connect ACK
Flow
Flow
Disconnect
Release
Called
DCE DTE
Set up
Ringing
Alerting
Pick up
Connect
Information
Flow
Flow
Information
Disconnect
Release
Release complete
Called
router
547