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Feature F-5545 Propagate From Header between SIP calls is applied when the IMG 2020 is within a Trusted Domain and the SIP Privacy functionality is enabled. If SIP Privacy is set to Disabled, the Propagate From Header feature does not function.
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The procedure below explains how to configure the IMG 2020 to Propagate the username in the From Header on the incoming leg to the username in the From Header on the outgoing leg while SIP Privacy is enabled. Before configuring, the IMG 2020 must have an initial configuration created on it. Follow the Basic Configurations procedure before proceeding.
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Right click on the Profiles object and select New SIP Profiles. The SIP Profiles object is a parent or container object. No configuration is needed here. Refer to the SIP Profiles topic for more information on this object.
Right click on the SIP Profiles object and select New SIP Profile. The first profile that gets created is a Default SIP Profile and cannot be modified. Disregard this profile.
Right click on the SIP Profiles object and select New SIP Profile again. In the SIP Profile object that appears, either enter a name that identifies this SIP Profile or accept the default name already entered. In this example the SIP Profile was labeled SIP_PropFromHeader_Profile. Refer to the SIP Profile - SGP topic for information on configuring the remaining fields in this object.
Right click on the SIP Profile object just created and select New SIP from Header Tags. Verify the UserName Bypassed field is set to Enable. This is by default set to Enable.
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Right click on the Dialogic object and select New External Network Elements. The External Network Elements object is a parent or container object and no configuration is needed here. Refer to External Network Elements topic for more information.
Right click on External Network Elements and select New External Gateways. The External Gateways object is a parent or container object also and no configuration is needed here. Refer to External Gateways for more information.
Right click on External Gateways and select New External Gateway. Enter a name that identifies the gateway being configured. In this example the gateway was labeled SIP_PropFromHeader_GW.
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The configuration above displays how to configure the SIP Profile and External SIP Gateway so that the Propagate From Header functionality is configured. The next step is to configure the SIP signaling stack and SIP Channel Groups. Refer to the Configure SIP (Single SIP IP) topic for a procedure on how to configure the SIP functionality.
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