Cisco Systems WRP400 Manual Do Utilizador

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Configuring Voice Services
SIP Trunking and Hunt Groups on the SPA8000
ATA Administration Guide
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SIP Trunking and Hunt Groups on the SPA8000
The SPA8000 supports SIP Trunking, which allows you to connect a traditional 
PBX to VoIP services. In this configuration, calls go through the ITSP rather than the 
PSTN, yet the call routing functionality is similar to that of traditional PSTN lines.
You can configure up to four trunk groups for the purpose of inbound call routing 
and outbound caller identification. You can configure a trunk number on the 
SPA8000, such that an incoming call automatically rings the grouped lines 
simultaneously or in a specified order. For outbound calls, SIP Trunking ensures 
that all calls on a trunk line can be identified by the trunk number and a common 
caller ID. This feature helps you to ensure that calls are directed to available lines 
and that work groups such as sales teams can work together to answer calls. In 
addition, teams can project a common identity when placing outbound calls on a 
trunk.
This section provides information about SIP trunking and explains how to 
configure your trunk groups.
Refer to the following topics: