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manages interaction between carriers all of the above collects user billing info

ID: 3912444 • Letter: M

Question

manages interaction between carriers

all of the above

collects user billing information

manages services between LATAs

Question 6

We need to upgrade a channel to a higher bandwidth. How is the rate improved if we double the SNR?

data rate encreases slightly

data rate is doubled

data rate is quadrupled

None of the above

VoIP media gateway

layer 3 switch

VoIP media server

layer 2 switch

ACK

bye

register

invite

1 points   

manages interaction between carriers

all of the above

collects user billing information

manages services between LATAs

Question 6

We need to upgrade a channel to a higher bandwidth. How is the rate improved if we double the SNR?

data rate encreases slightly

data rate is doubled

data rate is quadrupled

None of the above

In a hybrid system with circuit switched PBX and VoIP capabilities as shown below, which of the following is the name of the device connected to PBX ?

VoIP media gateway

layer 3 switch

VoIP media server

layer 2 switch

The figure below describes the SIP successful call set up scenario. Which of the following SIP message is exchanged in packet 7 (red packet)?

ACK

bye

register

invite

1 points   

Explanation / Answer

5.

Which of the following the describes the function of POP switching office in figure below

No figure

6.

Option 1

7.

In a hybrid system with circuit switched PBX and VoIP capabilities as shown below, which of the following is the name of the device connected to PBX

No figure

8.

The figure below describes the SIP successful call set up scenario. Which of the following SIP message is exchanged in packet 7 (red packet).

No figure