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Set Up PSTN or SIP Trunks

and Teleworker Connections

Set Up for FXO or BRI Lines

This document describes how to set up a deployment that

uses Foreign Exchange Ofce (FXO) lines. The UC500 also

has models with Basic-Rate Interface (BRI) ports rather

than FXO ports for deployments that use BRI lines.

For instructions on how to set up a deployment that uses

BRI lines, refer to the documentation for the UC500

platform.

To connect a PSTN line or a station interface on a

PBX, use an RJ-11 cable to connect an FXO port on the

UC500 to the PSTN or PBX.

 Use an RJ-11 cable to connect a fax machine to a

Foreign Exchange Station (FXS) port on the UC500,

as illustrated.

 Using a cell phone, verify outgoing and incoming calls

from the system. When you dial into the UC500 PSTN

numbers, the Auto Attendant picks up the call, and the

voice messaging system greeting is played.

 At the Auto Attendant prompt, verify the FXS

connections by dialing the fax extension.

Set Up for SIP Trunking

From the Cisco Conguration Assistant, set up SIP

trunking.

•

In the Topology View window, choose the UC500.

•

Click the Telephone > Voice > SIP Trunk

Parameters tab.

• From the drop-down list, choose your SIP Trunk

service provider.

• Enter the fully qualied domain names provided

by the SIP Trunk service provider. Enter the SIP

proxy domain name. Enter the remaining required

information.

• Click

OK to save the conguration changes to the

UC500. The system indicates when the conguration

is complete.

Note: All information required in the SIP Parameters

window is provided by the SIP Trunk service provider.

Although the items required vary according to the

specied service provider, the Service Provider and SIP

Proxy elds are mandatory.

Set Up a Teleworker (Optional)

You can utilize a Cisco 870 Series router (for example,

the Cisco 871 router) to set up a teleworker. For more

information on the conguration steps for the Cisco 800

Series router, refer to the Cisco 800 Series documentation,

which can be found at http://www.cisco.com/go/800.

Note: Voice extensions for teleworkers are typically

deployed as part of a PBX system rather than a key system.

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Cisco 521 Manual de usuario Pagina 6

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