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Exam A
QUESTION 1
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 are currently connected to T1 ISDN circuits.
Which signaling type will allow you to support your customer?

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

Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 2
You are meeting with a customer that has deployed IP telephony at their headquarters location. They would like to roll out IP telephony to their regional office as well. They are now using the G.711 codec at headquarters. They want to be able to maximize the number of callscarried without impacting voice quality or forcing a WAN upgrade. Which codec would be appropriate for their WAN?

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Exam A
QUESTION 1
You have a pair of voice enabled routers that have the capability of supporting only high complexity codecs. You need to conserve bandwidth on WAN links without major impact to call quality. Which codecs will satisfy these requirements? (Choose two.)
A. G.729
B. G.729A
C. G.729B
D. G.729.AB

Correct Answer: AC Section: (none) Explanation
Explanation/Reference:
QUESTION 2
When does the MGCP call agent release the setup of the call path to the residential gateways?

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Exam A
QUESTION 1
You are the voice technician at Certkiller . Certkiller has its offices in Great Britain. You need to install a
Cisco router to support IP Telephony services with direct-connected analog phones. You need to emulate
the local PSTN provider.
What FXS port parameter do you need to change?

A. Pulse
B. Signal
C. Cptone
D. Busyout
E. Description
Correct Answer: C Section: (none) Explanation
QUESTION 2
Certkiller distributes computer components and has warehouses in New York and Chicago. Headquarters is located in Washington, DC. To keep costs low, all inside sales associates are located at headquarters. Your want to provide a direct analog telephone connection to the inside sales teams from the pick-up counters at the warehouses. This connection should not require the inside sales teams to dial any digits. One of the warehouses is having a problem with their sales phone. You receive the following output: altwhse#show voice port 1/0:1 Foreign Exchange Office Type of VoicePort is E&M Operation State is DORMANT Administrative State is UP The Last Interface Down Failure Cause is Administrative Shutdown Description is not set Noise Regeneration is enabled Non Linear Processing is enabled Music On Hold Threshold is Set to -38 dBm In Gain is Set to 0 dB Out Attenuation is Set to 0 dB Echo Cancellation is enabled Echo Cancel Coverage is set to 8 ms Connection Mode is plar Connection Number is 2000 Initial Time Out is set to 10 s Interdigit Time Out is set to 10 s Ringing Time Out is set to 180 s Region Tone is set for US What is the cause of the problem?

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