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920-456 Nortel NNCSE - Meridian 1 IP Enabled 25.40
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920-456
QUESTION: 1 A customer's Meridian 1 IP Enabled (IE) 25.40 configuration consists of 120 VoIP users. During the busy hour, each user generates 4 calls using the IP network (originating and terminating). Also during the busy hour, the average holding time is 150 seconds. Given: (Number of calls x Average holding time) / 100 = CCS per user x Total VoIP users If the total number of VoIP users is increased by 60, what is the total Centium Call Seconds (CCS) for all VoIP users?
A. 360 CCS B. 720 CCS C. 864 CCS D. 1080 CCS E. 1296 CCS
Answer: D
QUESTION: 2 A company serves a large metropolitan area and requires an extended metropolitan trunk group. Although this trunk service requires ten-digit dialing, it does NOT require a prefix of “1” to be dialed. The company's employees dial access code plus “1+” every time they dial an area code with the local seven-digit Directory Number (DN). Which Digit Manipulation Index (DMI) configuration allows the company to correct the problem?
A. In LD 86, create a DMI table that has “DEL 1” and apply it to the extended metropolitan route. B. In LD 86, create a DMI table that has “DEL 2” and apply it to the extended metropolitan route. C. In LD 86, create a DMI table that has “DEL 1” and apply it to the appropriate route choice, NOT the extended metropolitan route. D. In LD 86, create a DMI table that has “DEL 2” and apply it to the appropriate route choice, NOT the extended metropolitan route.
Answer: A
QUESTION: 3 A site has a Meridian 1 IP Enabled (IE) 25.40 system. Optivity Telephony Manager (OTM) has received an ITG0208 message from an Internet Telephony Gateway (ITG) ISDN (ISL) card. This indicates a backup leader has been activated because the leader card is NOT responding. You verify that the cable connections to the leader card are correct. What else should you do?
A. Reset the leader card. If the leader card fails to reset then replace the leader card.
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920-456
B. Reset the backup follower card to force a change of status. If leader card fails to activate, then replace the leader card. C. Verify that the cable connections to the follower cards are correct. Reset the backup leader and view the error logs for possible causes. D. Verify that the cable connections to the backup leader are correct. Reset the leader and the backup leader cards. The error logs should indicate the fault location.
Answer: A
QUESTION: 4 A site has a Meridian 1 IP Enabled (IE) 25.40 system. New Internet Telephony Gateway (ITG) trunk cards have been added. The dialing plan for the new ITG trunks has been set up to use AC1 for public numbers and AC2 for the Electronic Switched Network (ESN) (private-network calls). During testing, you find that private-network calls are failing before the number is completely dialed. Which overlay and prompt should you change?
A. LD 14 CLS B. LD 15 AC2 C. LD 86 AC2 D. LD 90 TRAN
Answer: D
QUESTION: 5 You are engineering an Internet Telephony Gateway (ITG) trunk for a Meridian 1 IP Enabled (IE) 25.40 system. When is it NOT advisable to use Voice Activity Detection (VAD)?
A. when a WAN route is 1.53 Mbps or less B. when fax traffic is utilized over the WAN route C. when a WAN route is configured to 90% loading D. when the Meridian 1 IE ITG node is utilized as a tandem node
Answer: D
QUESTION: 6 When upgrading a Meridian 1 IP Enabled (IE) system, which three methods should be used to ensure all existing software features are present in the upgrade software? (Choose three.)
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