Chapter 3 Phone Use and Configuration
3.3 Advanced Phone Configuration
Click VoIP > SIP to open the SIP Settings screen. This screen allows you to
manage up to two SIP accounts.
Figure 3 The SIP Settings Screen
Select Active for the phone you want to configure, then click the Modify icon. The
Phone SIP Settings screen opens, where you can set up and maintain your SIP
account(s) in the ZyXEL Device. Your VoIP or Internet service provider should
provide you with your account information.
Figure 4 The Phone SIP Settings screen
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P-27XX Series User's Guide