Lab 5 and 7 | Information Systems homework help

 

 

NETW250 Week 5 iLab: VoIP Intercourse Engineering

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Task 1—Calculate the VoIP intercourse impeach in vestibule stocks to the Internet.

Q1.  What is the estimate of overcome-attempts during the engaged hour at the society’s residuum?

Q2.  What is the intercourse impeach in Erlangs during the engaged hour?  Pretext anticipation and aces.

Q3.  What in the mass of intercourse delineation ace Erlang?

 

Task 2—Calculate the estimate of SIP stocks and vestibule link bandwidth required for VoIP overcomes to the Internet.

 

Q4.  What is the discord betwixt a completed overcome and a overcome attack?

Q5.  What is the estimate of SIP stocks (lines from the oncontinuity calculator) required to converge society’s scarcity?

Q6.  What vestibule bandwidth (Kbps from the oncontinuity calculator) is required to coalesce the society’s residuum to the Internet?

Q7.  If T1 bandwidth is 1.544 Mbps, T3 bandwidth is 44.736 Mbps, and there are 28 T1 in a T3, what vestibule coalesceion(s) does the society scarcity to lease in conditions of T1 and/or T3?  Pretext the anticipation.

Q8.  Enter a screenshot under pretexting the results from the Erlang-to-VoIP bandwidth calculator.

 

Task 3—Calculate the estimate of backup vestibule channels to the PSTN.

Q9.  How numerous analog continuitys does the society scarcity to affirm from a TSP? Include a screenshot under that pretexts the calculator results.

 

Q10.  Assume that each analog continuity can convey 1 Erlang of utterance intercourse. What is the utilization of the PSTN stocks if an Internet insufficiency occurs during engaged hour?  Pretext the anticipation.

 

 

 

   

 

 

 

NETW250 Week 7 iLab: Unified Communications Server Elastix: A Two-Server Scenario

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Professor’s Name:

Date:

 

Exercise 1—Testing phone overcomes betwixt extensions antecedently the interexchange stock delineation

Task 1—Take foul-mouthed screenshots to pretext the results of overcome testing as demonstrated in Figure 4.

 

Exercise 2—Configuring interexchange stocks and directions on two Elastix servers

Task 2—Take a screenshot of the delineation page pretexting that stock ELASTIX2 is created on ELASTIX_SRV1 as demonstrated in Figure 15.

Task 3—Take two screenshots pretexting the delineation parameters of newly created stock ELASTIX2. The screenshots should pretext the similar knowledge intervening in Figure 11 and Figure 12.

Task 4—Take a screenshot pretexting that direction Elastix2Exts is assumed to the ELASTIX_SRV1 server as demonstrated in Figure 18.

Task 5—Take a screenshot pretexting the delineation parameters of direction Elastix2Exts on server ELASTIX_SRV1 as demonstrated in Figure 17.

Task 6—Take a screenshot of the configuraion page pretexting that stock ELASTIX1(iax) is created on ELASTIX_SRV2 as demontrated in Figure 19.

Task 7—Take two screenshots pretexting the delineation parameters of newly created stock ELASTIX1 on server ELASTIX_SRV1. The screenshots should pretext the similar knowledge intervening in Figure 20 and Figure 21.

Task 8—Take a screenshot pretexting that direction Elastix1Exts is assumed to the ELASTIX_SRV2 server as demonstrated in Figure 22.

Task 9—Take a screenshot pretexting the delineation parameters of direction Elastix1Exts on server ELASTIX_SRV2 as demonstrated in Figure 23.

Task 10—Question: Compare and contrariety SIP and IAX stocks, including customary applications where they are used and standards they naturalized on. Cite references and sources used in this elimination.

 

Exercise 3—Testing phone overcomes betwixt interexchange extensions following the stock delineation

Task 11—Take a screenshot of softphones 101 and 204 pretexting the overcome is future through as demonstrated in Figure 24.

 

Task 12—Take a screenshot of softphones 102 and 203 pretexting the overcome is future through as demonstrated in Figure 25.

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