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You can try freeware <a href="http://startrinity.com/VoIP/SipTester/SipTester.aspx">StarTrinity SIP Tester</a>. It is able to simulate outgoing, incoming calls and SIP registration, DTMF events and record audio to wav files.

Explain the purpose of ip address? And also Give the brief description about Class A,Class B and Class c?

6 Answers   HCL,

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what is the ethernet interface?where and when we can use? how to connect hte host systems to target system

1 Answers   Sasken,

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hi, I want sip interview question, please help & post me

6 Answers   NJ India, Nortel, Sonus,

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layers of osi model?

6 Answers   Assurgent,

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How do all the layers communicate with each other?

2 Answers   TCS,

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Why DNS use both TCP and UDP ports. And for which purpose it uses TCP and UDP.

2 Answers   Accenture, Wipro,

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What is SPAN or RSPAN?

2 Answers   Cisco,

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consider any webaddress. for example http://www.yahoo.com. what are the protocols are used and what are the osi layers are involved in this webaddress?

8 Answers   Aricent,

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What is protocol extension?

0 Answers  

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pls. tell all the commands for configure cisco router 1900 series.

0 Answers  

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explain the test bed which is used to test VOIP SIP products?

1 Answers   TCS,

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What is IIOP used for?

1 Answers  

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