ZyXEL MAX318M User Guide - Page 157
The VoIP Account Screens, 10.1 Overview, 10.1.1 What You Need to Know
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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 ([email protected] for example) or numbers like a telephone number ([email protected] 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 [email protected], 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. WiMAX Device Configuration User's Guide 157