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WiMAX Device Configuration User’s Guide 157
CHAPTER 10
The VoIP Account Screens
10.1 Overview
The features mentioned in this chapter are for models with VoIP function.
Use the VoIP > Account 1 (or Account 2) screens to configure your VoIP account information on
the WiMAX Device. You need to have a VoIP account set up first.
Note: If your WiMAX Device has only one phone port, there is only one account.
Note: You can identify the number of phone ports available on your WiMAX Device by its
model name. See Section 1.1 on page 17 for more information.
10.1.1 What You Need to Know
The following terms and concepts may help as you read through this chapter.
SIP Identities
A SIP account uses an identity (sometimes referred to as a SIP address). A complete SIP identity is
called a SIP URI (Uniform Resource Identifier). A SIP account's URI identifies the SIP account in a
way similar to the way an e-mail address identifies an e-mail account. The format of a SIP identity
is SIP-Number@SIP-Service-Domain.
SIP Number
The SIP number is the part of the SIP URI that comes before the “@” symbol. A SIP number can
use letters like in an e-mail address (johndoe@your-ITSP.com for example) or numbers like a
telephone number (1122334455@VoIP-provider.com for example).
SIP Service Domain
The SIP service domain of the VoIP service provider (the company that lets you make phone calls
over the Internet) is the domain name in a SIP URI. For example, if the SIP address is
1122334455@VoIP-provider.com
, then “VoIP-provider.com” is the SIP service domain.
SIP Register Server
A SIP register server maintains a database of SIP identity-to-IP address (or domain name)
mapping. The register server checks your user name and password when you register.