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Configuring the Cisco VGD 1T3 Voice Gateway as
an H.323 or SIP Gateway
This chapter provides basic information about configuring the Cisco VGD 1T3 voice gateway as an
H.323 gateway or a SIP gateway. This information is provided in the following sections:
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Configuring H.323 Gateways
This section describes the configuration of H.323 gateways.
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•
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Prerequisites for Configuring H.323 Gateways
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Configuring H.323 Gateways, page 127
Configuring SIP Gateways, page 130
Prerequisites for Configuring H.323 Gateways, page 127
How to Configure H.323 Gateways, page 128
Verifying the H.323 Voice Gateway Interface, page 130
Perform the prerequisites that are listed in the
section on page
7.
Develop a network plan that details the requirements and characteristics of your VoIP network. For
more information, see the documents in the
Ensure that the routers you intend to configure as H.323 gateways are running a Cisco IOS software
image that contains gateway functionality.
To use H.323 security and accounting features, do the following:
These features use the H.235 standard. Because the standard is broad, ensure that the gatekeeper
–
provides H.235 functionality that specifically complements the gateway implementation
described in this document.
–
The H.323 gateway sends accounting information using a nonstandard field in the ClearToken
field. Ensure that the gatekeeper can retrieve this information from the ClearToken field.
"Prerequisites for Configuring an H.323 Network"
"Additional References" section on page
19.
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