Study tips 642-437

Which of the following describes SIP Early Offer?

Which three methods are used by a Cisco Unified Border Element to provide network hiding?

which of the following statements is true?

What is the result of the call, going down the table from top to bottom?

What will the class map do if a packet arrives that is marked with a CoS of 6 and a DSCP value of EF?

which of the following options describes the components of the call that flow around and the components that flow through the device?

How does Packet Loss Concealment improve voice quality?

Which command will verify that you have a single H.323 and a single SIP call leg when the call is placed?

which point during call setup are the RSVP path and reservation messages sent and received?

which media flow method is required?