Refer to the exhibit. What is the minimum WAN bandwidth required to support three simultaneous VoIP calls in this network?

• A. 51,600 bps
• B. 19,200 bps
• C. 79,200 bps
• D. 247,200 bps

What does a gateway router match to a dialed number when setting up a VoIP call?

• A. call leg
• B. session target
• C. IP route
• D. destination pattern

Given the SIP network shown in the diagram, identify which two actions are initiated by the UAS (user agent server)? (Choose two.)

• A. originates the ACK method to indicate that it has received a response to an invitation
• B. returns a response on behalf of the user to the invitation originator
• C. originates the BYE method to initiate call termination
• D. originates the INVITE method including a description of the session parameters
• E. contacts the user when a SIP invitation is received

You are working with a potential customer that would like to integrate its existing PBX telephone system into its IP network. The accompanying figure shows that the customer has two offices that need to be connected to the IP network so that the customer can exchange telephone calls without using the PSTN. Both PBXs use a proprietary signaling type.
Which signaling type will allow you to support your customer?

• A. CAS
• B. CCS
• C. E&M
• D. T-CCS
• E. FXS
• F. FXO

Which gateway interface connects to the standard station port of a PBX?

• A. POTS
• B. E&M
• C. FXS
• D. FXO