Understanding Ata 190 Interaction With Cisco Unified Communications Manager; Providing Power To The Ata 190; Power Guidelines; Power Outage - Cisco ATA 190 Administration Manual

Providing Power to the ATA 190

Understanding ATA 190 Interaction with Cisco Unified Communications
Manager
Cisco Unified Communications Manager is an open and industry-standard call processing system.
Cisco Unified Communications Manager software sets up and tears down calls between analog phones
that are connected to the ATA 190, and thus integrates traditional PBX functionality with the corporate
IP network. Cisco Unified Communications Manager manages the components of the IP telephony
system: the phones, the access gateways, and the resources necessary for features such as call
conferencing and route planning. Cisco Unified Communications Manager also provides:
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For information about configuring Cisco Unified Communications Manager to work with the IP devices
described in this chapter, see Cisco Unified Communications Manager Administration Guide, Cisco
Unified Communications Manager System Guide, and Cisco Unified Communications Manager Security
Guide.

Providing Power to the ATA 190

The ATA 190 is powered with external power. External power is provided through a separate power
supply.
The following sections provide more information about powering an ATA 190:
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Power Guidelines

The following power type and guideline applies to external power for the ATA 190:
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Power Outage

Your accessibility to emergency service through the phone depends the phone being powered. If there is
an interruption in the power supply, Service and Emergency Calling Service dialing will not function
until power is restored. In the case of a power failure or disruption, you may need to reset or reconfigure
equipment before using the Service or Emergency Calling Service dialing.
Cisco ATA 190 Analog Telephone Adapter Administration Guide for SIP (Version 1.1)
2-2
Firmware for devices
Authentication and encryption (if configured for the telephony system)
Configuration and CTL files via the TFTP service
Phone registration
Call preservation, so that a media session continues if signaling is lost between the primary
Communications Manager and a phone
Power Guidelines, page 2-2
Power Outage, page 2-2
Understanding Phone Configuration Files, page 2-3
Power Type—External power (provided through the Universal AC external power supply).
Guidelines—The ATA 190 uses the Universal AC power supply 100/240V.
Chapter 2 Preparing to Install the ATA 190 on Your Network
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