What is internet telephony?
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How does VOIP work?
What equipments are needed for voip?
Explain the ipv4 and ipv6 address bit?
How does voip (voice over internet protocol) work?
Is the system as reliable as the old-fashioned network?
What is ip addresses range a,b,c,d,e?
Explain the ipv6 address bit?
What is packet telephony?
When can I replace my cell phone with a voip phone?
Explain how does voip work?
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
I am in business and would like to replace my corporations current pbx system with voip. Is this possible?