SmartLink 4020 Getting Started Guide6 • Telephony

Note After configuring the sections, click the Save SIP Settings button (see figure 28 on page 55) to save the new configuration.

SIP Configuration

Figure 23. SIP Configuration section of the SIP window

SIP Server Settings

The SmartLink 4020 will automatically attempt to locate the VoIP server by using the domain name specified in the WAN interface or the server will be discovered via DHCP on the WAN interface. When found, the dis- covered server will be listed as the Current Server.

Enter the following information:

Server address—The IP address or domain name hosting the VoIP SIP server

Port—The UDP port of the VoIP SIP server. The default is 5060.

Domain name—The VoIP domain name (realm) is used for validation of each phone’s username

Expiration time unit (if you choose to send registration request with an expiration time)

Unregistration—If checked, the SmartLink will send a SIP unregistered at system reload before sending a SIP registration request.

Gateway Settings

Dial Plan. Refer to appendix C, Dial plans on page 91

SIP

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Patton electronic SL4020 manual SIP Configuration, SIP Server Settings, Gateway Settings