Cisco GRP Manual de usuario descargar pdf (Pagina 2)

Cisco Systems voice-enabled routers support two types of dial peers:

 POTS dial peers: Connect to a traditional telephony network, such as the public switched

telephone network (PSTN) or a PBX, or to a telephony edge device such as a telephone or

fax machine. POTS dial peers perform these functions:

— Provide an address (telephone number or range of numbers) for the edge network

or device

— Point to the specific voice port that connects the edge network or device

 VoIP dial peers: Connect over a packet network. VoIP dial peers perform these functions:

— Provide a destination address (telephone number or range of numbers) for the edge

device that is located across the network

— Associate the destination address with the next-hop router or destination router,

depending on the technology used

Example: Dial-Peer Configuration

This figure shows a dial-peer configuration.

Cisco Public

IP Telephony

Dial Peer

In the figure, the telephony device connects to the Cisco Systems voice-enabled router. The

POTS dial-peer configuration includes the telephone number of the telephony device and the

voice port to which it is attached. The router knows where to forward incoming calls for that

telephone number.

The Cisco voice-enabled router VoIP dial peer is connected to the packet network. The VoIP

dial-peer configuration includes the destination telephone number (or range of numbers) and

the next-hop or destination voice-enabled router network address.

Follow these steps to place a VoIP call:

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Cisco GRP Manual de usuario Pagina 2