| 1 |
How will caller ID work on an FXO to FXS connection between a PBX and a Cisco voice gateway? |
| Answer: |
Caller ID will work only in one direction, from FXS to FXO. |
| 2 |
Which E&M trunk type is most commonly in use? |
| Answer: |
Type I is used most often in North America, and Type V is used most often throughout the rest of the world. |
| 3 |
A four-wire E&M Type V trunk uses how many physical wires? |
| Answer: |
A four-wire E&M Type V trunk uses six wires. |
| 4 |
Which command confirms the status of clocking for the TDM bus of a voice gateway? |
| Answer: |
The show network-clocks command lists available clock sources by priority. |
| 5 |
How can you control the master/slave Layer 2 function of an ISDN PRI trunk? |
| Answer: |
You can control the master/slave Layer 2 function of an ISDN PRI trunk by using the isdn protocol-emulate user | network command. |
| 6 |
What type of signaling is configured on DS0s that are used for T-CCS? |
| Answer: |
External signaling is configured using the type ext-sig parameter of the ds0-group command. |
| 7 |
How do you configure the D-channel for an MGCP-controlled ISDN PRI trunk? |
| Answer: |
Configure Layer 3 backhaul to CallManager using the isdn bind-l3 ccm-manager command. |
| 8 |
When you are using an MGCP-controlled PRI trunk, how can you verify the status of the ISDN Q.931 backhaul? |
| Answer: |
The show ccm-manager command shows the status of the backhaul channel. |