Cisco Small Business IP Phones

Introduction

This article is one in a series to assist in the setup, troubleshooting, and maintenance of Cisco Small Business products (formerly Linksys Business Series).

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Q. How do I register the IP phones and ATA devices on the WAN side?

A. There are two ways to setup and configure IP phones and ATA devices:

• Configuring SPA9000 on the LAN Side: LAN Proxy Network Interface

• Configuring SPA9000 on the WAN Side: WAN Proxy Network Interface

The previous image illustrates how the SPA9000 is set up on the network when you have set the Proxy Network Interface to LAN. To configure this setting on the SPA9000 follow the steps below:

1. Access the SPA-9000 web-based setup page. For instructions on how to accomplish this task, click here.
2. Go to the SIP tab, and, on the PBX Parameters, find Proxy Network Interface and set it to LAN.

The previous image illustrates how the SPA9000 is being set up on the network when you have set the Proxy Network Interface to WAN. To configure this setting on the SPA9000, follow the steps below:

1. Access the SPA-9000 web-based setup page. For instructions on how to accomplish this task, click here.
2. Go to the SIP tab, and, on the PBX Parameters, find Proxy Network Interface and set it to WAN.

Related Information

• Technical Support & Documentation - Cisco Systems