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H.323 interface configuration task list 435
SmartWare Software Configuration Guide 38 • H.323 interface configuration
Mode: Interface H.323
Example: Configure information transfer capability handling
In the following example the information transfer capability for inbound calls through the H.323 interface
Myh323If is forced to speech. This is an appropriate setting, when communicating to Microsoft Netmeeting
clients.
node>enable
node#configure
node(cfg)#context cs
node(ctx-cs)[switch]#interface h323 MyH323If
node(if-h323)[MyH323If]#itc rx speech
Configuring CLIP/CLIR support (optional)
According to the H.323 standard, information about calling line identification presentation/calling line identifi-
cation restriction (CLIP/CLIR) is not provided, when using the H.323 protocol. However, there are H.323
equipment vendors, which allow tunneling this information through an H.323 connection. The additional
information is inserted in octed 3a of the calling party number information element in the Q.931 part of the
H.323 setup message.
Note This functionality is not standardized and might cause interoperability prob-
lems, if enabled.
Procedure: To enable tunnelling of CLIP/CLIR information over H.323
Step Command Purpose
1
node(if- h323)[if-name]#itc rx {3k1-
audio | 7k-audio | restricted-digital |
unrestricted-digital | speech | video |
transparent }
Specifies the information transfer capability to
be used for calls from the H.323 gateway to
another gateway of the system (incoming
calls). All settings force the specified informa-
tion transfer capability to be used except for
the transparent setting, which indicates that
the information transfer capability of the call
should be forwarded transparently.
2
node(if- h323)[if-name]#itc tx {3k1-
audio | 7k-audio | restricted-digital |
unrestricted-digital | speech | video |
transparent }
Specifies the information transfer capability to
be used for calls from any gateway of the sys-
tem to the H.323 gateway (outgoing calls).
All settings force the specified information
transfer capability to be used except for the
transparent setting, which indicates that the
information transfer capability of the call
should be forwarded transparently.