Cisco Systems WRP400 Manual Do Utilizador

ATA Software Features

ATA Administration Guide

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With the SPA8000, use line 1 or line 2 to access the IVR functions. See the 
SPA8000 Quick Installation Guide for IVR instructions. 

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For proper operation, the service provider should use an Outbound Proxy to 
forward all voice traffic when the SPA8000 is located behind a router. If 
necessary, explicit port ranges can be specified for SIP and RTP. 

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The SPA8000 is not designed to forward IP packets to devices connected to its 
AUX port and that configuration is not supported.

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The SPA8000 also can be configured with trunk groups and trunk lines. See 

The ATA device is a full featured, fully programmable phone adapter that can be 
custom provisioned within a wide range of configuration parameters. This section 
contains a high-level overview of features to provide a basic understanding of the 
feature breadth and capabilities of the ATA device.

The following sections describe the factors that contribute to voice quality:

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Negotiation of the optimal voice codec sometimes depends on the ability of the 
ATA device to match a codec name with the codec used by the far-end device. 
The ATA device allows the network administrator to individually name the various 
codecs that are supported so that the ATA device can successfully negotiate the 
codec with the far-end equipment. The administrator can select which low-bit-rate