Question 131
Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?
A. G.711ulaw
B. No codec is used (missing codec command).
C. G.711alaw
D. G.729r8
Question 132
An engineer must configure an MGCP gateway and register it to Cisco Unified Communications Manager. Which prerequisite must be met before applying the gateway commands to enable MGCP?
A. The MGCP gateway and the Cisco Unified CM must be able to communicate aver ports 5060 and 5061.
B. Cisco Unified CM and the MGCP gateway must utilize the SIP OPTIONS ping feature to monitor status.
C. The MGCP gateway must have voice service VoIP configured.
D. The MGCP gateway and the Cisco Unified CM must be able to communicate over ports 2427, 2428, and 2727.
Question 133
Refer to the exhibit. Given this "debug isdn q921" output, what is the problem with the PRI?
A. Layer 1 is down on the controller.
B. PRI does not have an IP address configured on the interface.
C. Nothing, the PRI is sending keepalives.
D. Layer 2 is down on the controller.
Question 134
An administrator is trying to change the default LINECODE for a voice ISDN T1 PRI. Which command makes this change?
A. linecode esf
B. linecode ami
C. linecode hdb3
D. linecode b8zs
Question 135
Due to provider requirements, outgoing calls from the Enterprise to the PSTN must start with channel 1.Which ISDN command changes the channel selection on IOS to meet this requirement?
A. isdn bchan-number-order descending
B. isdn bchan-number-order ascending
C. isdn protocol-emulate network
D. isdn incoming-voice voice
Question 136
Refer to the exhibit. What causes of the PRI issue?
A. The cable is unplugged.
B. The clock source is incorrect.
C. The controller shut down.
D. The framing is configured incorrectly.
Question 137
Refer to the exhibit. An engineer verifies the configuration of an MGCP gateway. The commands are already configured. Which command is necessary to enableMGCP?
A. Device(config)# mgcp enable
B. Device(config)# ccm-manager enable
C. Device(config)# ccm-manager active
D. Device(config)# mgcp
Question 138
Refer to the exhibit. A call to an international number has failed. Which action corrects this problem?
A. Add the bearer-cap speech command to the voice port.
B. Strip the leading 011 from the called party number.
C. Assign a transcoder to the MRGL of the gateway.
D. Add the isdn switch-type primary-dms100 command to the serial interface.
Question 139
Refer to the exhibit. A customer submits this debug output, captured on a Cisco IOS router. Assuming that an MGCP gateway is configured with an ISDN BRI interface, which BRI changes resolve the issue?
A. interface BRI0/1/1 no ip address isdn switch-type basic-net3 isdn incoming-voice voice isdn send-alerting isdn static-tei 0
B. interface BRI0/1/0 no ip address isdn switch-type basic-net3 isdn point-to-multipoint-setup isdn incoming-voice voice isdn send-alerting isdn static-tei 0
C. interface BRI0/1/1 no ip address isdn switch-type basic-net3 isdn point-to-point-setup isdn incoming-voice voice isdn send-alerting isdn static-tei 0
D. interface BRI0/1/1 no ip address isdn switch-type basic-net3 isdn point-to-multipoint-setup isdn incoming-voice voice isdn send-alerting isdn static-tei 0
Question 140
Which command must be defined before an administrator has the ability to change the linecode value on an ISDN T1 PRI in slot 0/2 on an IOS-XE gateway?
A. voice-port 0/2/0:23
B. isdn incoming-voice voice
C. card type t1 0 2 Most Voted
D. pri-group timeslots 1-24
