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How to analyze the Network Traffic Using wireshark

Greetings,

I have wireshark Installed on my windows 2003 server.I have voip softswitch on my windows2003 server.
I have voip ATA's(voip phones) installed at couple of customer locations.Since yesterday,I ses that some of my clients are not able to register with my server,but others are able to register ,though they are using the same ISP.This happens only in one country and in other country ,it just works without any issue.I need to analyze whats happening and where its getting lost.

I am very new to wireshark.Please help.I have the customer ip's which are able to register,also i have customer ip's which are not able to register.

Regards

myramu

Hello Sam2009,

I hope following article will help you understand the issue.
http://wiki.wireshark.org/VoIP_calls

Good Luck!

Sam2009

ASKER

Hello myramu,

This example is useful for calls hitting the voip softswitch.My issue is before calls hitting.My unit doesnt register,so wont be able to make calls.

Regards

Sam2009

ASKER

@ myramu

I need to add voip also to the zone list ,how do i do it now

ASKER CERTIFIED SOLUTION

Bill Bach

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noci

Calls hitting your voipswitch are different from registers... But that is content.
Both are part of the SIP protocol. If you are missing any SIP packets then that is the first clue...

So if you have a SIP recording from restarting an ATA it should show a setup using SIP...
If there is no SIP then a call may not happen.

SOLUTION

greg ward

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