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Chapter 4
Using the Cisco IPVC 3500 Series Gateway
Table 4-1
Routing Method
IVR
Default Extension
About the IVR Operator
You can define an IP network endpoint as an IVR operator and configure the gateway ports accordingly.
See the
Dialing Example 8: Direct dialing to an IP network endpoint (gateway supports DID)
The number string 5645001 is a call from an ISDN network terminal to an IP network endpoint. This
number string consists of:
•
Administrator's Guide for Cisco IPVC 3521 BRI Gateway, Cisco IPVC 3526 PRI Gateway, and Cisco IPVC 3540 PRI Gateway
OL-7995-01
Routing Methods
"Configuring IVR Settings" section on page 3-9
5645001—The destination endpoint phone number.
About Dialing from the ISDN Network to the IP Network
Explanation
IVR (Interactive Voice Response) is a widely
deployed automated call answering system that
responds with a voice menu allowing you to make
choices for routing the call. The gateway can
operate with its own internal IVR or an external
IVR located in another device.
When an incoming call activates the IVR system,
it initiates an interactive session with the caller.
The caller directs the call to its destination
endpoint by responding with the dialer to prompts
from the IVR system. If the caller appropriately
enters the destination endpoint phone number, the
IVR connects the caller to the requested IP
network endpoint. Otherwise, the call can be
forwarded to an operator. The IVR call transfer is
enabled by a proprietary mechanism that the
gateway uses to transfer a call from one IP
network endpoint to another. The gateway
supports call transfer for incoming calls from the
ISDN network to an IP network endpoint whether
you are using a Cisco gatekeeper or a third-party
gatekeeper. The gateway internal IVR can handle
up to 30 simultaneous incoming calls.
With the Cisco IPVC 3500 Series Gateway, you
can define an endpoint on the IP network as an
IVR operator (see the
"Configuring IVR Settings"
section on page 3-9
for more information). This
provides an alternative if the requested
destination endpoint is not available.
Any endpoint on the IP network can be defined as
a default destination for calls using the default
extension number (including the gateway prefix
plus the H.320 or PSTN phone number) that is
registered with the gatekeeper. All calls not routed
through one of the above incoming call routing
methods are forwarded to this endpoint.
for more information.
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