Hi All, Please let me know,What are all the mandatory headers in sip basic call flow?will these headers vary from feature to feature such as sip basic call flow, sip registrations, call transfer, call forward etc. Thanks in Advance 

1 Answers   TCS,

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Tell me how does voip work?

0 Answers  

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Tell me voip test setup that you have for testing?

0 Answers  

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What is VoIP?

4 Answers  

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How can I use voip at home?

0 Answers  

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IP addresses range ---A,B,C,D,E learn d ranges of these ip addresses around 3-5 questions were regarind this

3 Answers   Avaya,

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How does VOIP work?

5 Answers  

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Explain the ipv6 address bit?

0 Answers  

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tell me voip test setup that you have for testing ? (requirements of practical voip testing)

2 Answers   Polycom,

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What kind of equipment do I need?

0 Answers  

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IPV4 and IPv6 address bit?

7 Answers   Avaya, College School Exams Tests,

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Is the system as reliable as the old-fashioned network?

0 Answers  

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