Chapter 9 Voice
You don’t necessarily need to use all these screens to set up your account. In fact, if your service provider did not supply information on a particular field in a screen, it is usually best to leave it at its default setting.
9.1.2 What You Need to Know About VoIP
VoIP
VoIP stands for Voice over IP. IP is the Internet Protocol, which is the message- carrying standard the Internet runs on. So, Voice over IP is the sending of voice signals (speech) over the Internet (or another network that uses the Internet Protocol).
SIP
SIP stands for Session Initiation Protocol. SIP is a signalling standard that lets one network device (like a computer or the
SIP Accounts
A SIP account is a type of VoIP account. It is an arrangement with a service provider that lets you make phone calls over the Internet. When you set the P-
Strictly speaking, you don’t need a SIP account. It is possible for one SIP device (like the
How to Find Out More
See Chapter 2 on page 33 for a tutorial showing how to set up these screens in an example scenario.
See Section 9.10 on page 216 for advanced technical information on SIP.
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