BCF Call Flows

The following illustrations show the function sequence for the two bearer control call flows implemented by vmsamp_ip324m_bicc. The ISUP and BCF sequence (in grey) is used to build and send each Bearer Control Message (in blue). A list of information elements that constitute each Bearer Control Message is also shown.

Forward Bearer Establishment with Fast Forward Tunneling

The following call flow shows Forward bearer establishment with fast forward tunneling Bearer Control Call Flow:

Forward Bearer Establishment with Delayed Forward Tunneling

The following call flow shows Forward bearer establishment with delayed forward tunneling Bearer Control Call Flow: