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About Dialing from the ISDN Network to the IP Network
Dialing Example 9: Direct dialing to an IP network endpoint (gateway supports TCS4 but not DID)
The number string 5645000^5776 is a call from an ISDN terminal to an IP network endpoint. The dialing
endpoint must also support TCS4. This number string consists of:
•
•
•
TCS4 only routes H.320 video calls.
Note
About Dialing through the IVR
When the gateway does not support DID or TCS4, you can reach an endpoint using the Interactive Voice
Response (IVR) routing mechanism.
When IVR is enabled, you are answered by a recorded message prompting you to enter the destination
endpoint phone number followed by the pound (#) sign. If you enter the number of an endpoint that is
online and currently not busy, the IVR connects the call to the requested endpoint.
Dialing Example 10: Dialing to an IP network endpoint through the IVR
The number string 5645000 <wait for the IVR to respond> 5561# is a call through an IVR routing
mechanism. This number string consists of:
•
•
•
About Dialing Indirectly through an Operator
If you do not dial the number of a destination endpoint when requested to do so by the IVR, the IVR
automatically passes you to an operator. You can define any endpoint on the IP network as the IVR
operator (see the
When IVR is enabled, you are answered by a recorded message prompting you to enter the destination
endpoint phone number. If you do not know the destination endpoint number, the IVR routes the call
from the gateway using ISDN to the IP network endpoint that is defined as the IVR operator.
Dialing Example 11: Dialing to an IP network endpoint through an operator
The number string 5645000 <wait for the IVR to respond>* is a call to an IP network through an IVR
operator. 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
4-6
The call is routed to the requested endpoint according to its registration identity in the gatekeeper.
5645000—The gateway phone number.
^—The TCS4 delimiter of the dialing endpoint (if required).
5776—The extension number of the requested endpoint.
5645000—The gateway phone number.
5561—The number of the requested endpoint.
#—This is required by the IVR for call completion.
"Configuring IVR Settings" section on page 3-9
5645000—The gateway phone number.
*—This character is optional.
Chapter 4
Using the Cisco IPVC 3500 Series Gateway
for more information).
OL-7995-01
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