Cisco Systems ATA187I1ARF manual Preparing to Install the ATA 187 on Your Network

C H A P T E R 2

Preparing to Install the ATA 187 on Your Network

The ATA 187 enables you to communicate using voice over a data network. To provide this capability, the ATA 187 depends upon and interacts with several other key Cisco Unified IP Telephony and network components, including Cisco Unified Communications Manager, DNS and DHCP servers, TFTP servers, media resources, and so on.

This chapter focuses on the interactions between the ATA 187, Cisco Unified Communications Manager, DNS and DHCP servers, TFTP servers, and switches. It also describes options for powering the ATA 187.

For related information about voice and IP communications, see this URL:

http://www.cisco.com/en/US/products/sw/voicesw/index.html

This chapter provides an overview of the interaction between the ATA 187 and other key components of the Voice over IP (VoIP) network. It includes these topics:

•Understanding Interactions with Other Cisco Unified IP Communications Products, page 2-1

•Providing Power to the ATA 187, page 2-2

•Understanding Phone Configuration Files, page 2-3

•Understanding the ATA 187 Startup Process, page 2-4

•Adding the ATA 187 to the Cisco Unified Communications Manager Database, page 2-5

•Determining the MAC Address of an ATA 187, page 2-7

Understanding Interactions with Other Cisco

Unified IP Communications Products

To function in the IP telephony network, the ATA 187 must be connected to a networking device, such as a Cisco Catalyst switch. You must also register the ATA 187 with a Cisco Unified Communications Manager system before sending and receiving calls.

This section includes information on Understanding How the ATA 187 Interacts with Cisco

Unified Communications Manager, page 2-2.

Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)

OL-21862-01 2-1