Recent IT Questions

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VoIP - Incoming DTMF tone problem

I have Verizon Home 768 DSL service. Verizon gives you a Westell 6100 modem, and the DSL shares the same line with my landline phone. I also have T-Mobile At Home VOIP. The VOIP worked great until a month ago. Suddenly, my 2 line answering machine no longer responded to incoming DTMF tones over...

View Answer   |  Mar 25 2009  2:20 AM GMT
VoIP performance, Linksys WRTU54G-TM, DTMF tones
asked by TheWAK

  5 pts.

Latency and JItter

How do i calculate Latency and Jitter for VoIP. I will just be logging into a cisco router and from that how do i calculate Latency and Jitter. Is there any command line interface which will give this. Please do help me. Thank you.

View Answer   |  Sep 8 2008  11:06 AM GMT
VoIP network optimization, VoIP performance, VoIP QoS
asked by Sachindabu

  35 pts.

real-time protocol

As we are facing the problem with RTP in voip loggers.There was a clear indication from the Ethereal traces that sufficient RTP packets were not coming in.The RAS is up after installing installing the relevant hotfix.we ran the ethereal trace on CLS and Loggers and made test calls still the problem...

Answer Question   |  Aug 5 2008  5:36 AM GMT
RTP, Realtime transport protocol, VoIP performance
asked by 4006

  20 pts.

Power and cooling advantages with VoIP

Are there VoIP white papers that compare the power use and cooling advantages/disadvantages of a VoIP vs traditional PBX?

Answer Question   |  Jul 21 2008  10:05 PM GMT
VoIP case studies, VoIP cost issues, VoIP metrics
asked by Fran tic1

  5 pts.

Loss of VoIP traffic on QoS enabled WAN

Why is it that on a VoIP enabled WAN with proper priority Queuing in place, that VoIP traffic is still dropped when the WAN pipe is totally utilized (i.e. during backups) even though the VoIP traffic does not exceed the priority queue size? Router cpu utilization is around 10 to 15%.

View Answer   |  Apr 24 2008  3:01 PM GMT
VoIP, VoIP network optimization, VoIP performance
asked by SteveVI

  5 pts.

How do you ensure both sides of a VoIP call are using the same standards?

How is it possible to ensure that the entity on the other end of a VoIP call has the same standards in place to decrypt the voice signaling and voice payload traversing the public domain?

Answer Question   |  Mar 28 2008  3:21 PM GMT
VoIP security, VoIP performance, VoIP protocols
asked by Unified Communications ATE

  140 pts.

What are some of the leading companies offering real-time VoIP metrics solutions?

In your opinion, what are some of the leading companies that have real-time VoIP metrics solutions that are available for integration into existing applications? I am familiar with companies such as Sunrise Telecom, but wanted other examples as well. Thank you very much.

asked by Unified Communications ATE

  140 pts.

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