Cisco GRP Manual de usuario descargar pdf (Pagina 24)

If the desired action is not hunting through a range of dial peers, the huntstop command

disables dial-peer hunting on the dial peer. After you enter this command, no further hunting is

allowed if a call fails on the selected dial peer. This is useful in situations where it is

undesirable to hunt to a less-specific dial peer if the more specific call fails; for example, if a

call is destined for a particular staff member and the person is on the phone, the router searches

for any other dial peer that may match the dialed number. If there is a more generic destination

pattern in another dial peer that also matches, the call is routed to the generic destination

pattern. If this is not the desired action, then configuring the huntstop command in the more

specific dial peer will send the caller a busy signal.

You can mix POTS and VoIP dial peers when creating hunt groups. This is useful if you want

incoming calls sent over the packet network; however, if that network connectivity fails, you

want to reroute the calls back through the PBX, or through the router, to the PSTN.

By default, the router selects dial peers in a hunt group according to the following criteria, in

the order listed:

How the Router Selects Dial Peers in a Hunt Group

Step Action

1. The router matches the most specific telephone number.

2. The router matches according to the preference setting.

3. The router matches randomly.

The destination pattern that matches the greatest number of dialed digits is the first dial peer

selected by the router. For example, if one dial peer is configured with a dial string of “345….”

and a second dial peer is configured with “3456789”, the router selects “3456789” first because

it has the longest explicit match of the two dial peers. Without a PBX, if the line is currently in

use, the desired action is to send a call to a voice-mail system or a secretary, instead of giving

the caller a busy signal.

If the destination pattern is the same for several dial peers, you can configure the priority by

using the

preference dial-peer command. You would use the preference command to

configure service for scenario 2, where the dial peers connecting to the senior agents would

have the preference 0 and the dial peers connecting to the junior agents would have the

preference 1. The lower the preference setting, the higher the priority for that dial peer to

handle the call.

If all destination patterns are equal, by default, the preference is set to 0 on all dial peers. If the

preference does not act as the tiebreaker, then a dial peer matching the called number will be

picked randomly. This configuration would service scenario 1.

Example: Hunt-Group Application

The figure shows an example of configuring a hunt group to send calls to the PSTN if the IP

network fails. For all calls going to 555-0188, VoIP dial peer 2 is matched first because the

preference is set to zero. If the path through the IP network fails, POTS dial peer 3 is matched

and the call is forwarded through the PSTN. The forward-digits command forwards all digits

to the PSTN to automatically complete the call without a secondary dial tone.

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Cisco GRP Manual de usuario Pagina 24