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The SIP_ISDN Interworking object which is created under the SIP Profile (SGP) object is used to configure the ISDN Call Proceeding to SIP 183 Progress Interworking feature. The SIP_ISDN Interworking object will configure the functionality on the SIP side for this feature. To complete the configuration of the ISDN Call Proceeding to SIP 183 Progress feature, the Call Proceeding IW Procedure field in the ISDN Group object must be configured also. For configuration information on the ISDN Call Proceeding to SIP 183 Progress Interworking feature, refer to the Map ISDN Call Proceeding to SIP 183 topic.
Web GUI Page
IMG EMS > Profiles > SIP SGP > New SIP_ISDN Interworking
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The SIP_ISDN Interworking object is used when configuring the mapping of the Progress Indicator in the Call Proceeding message to the 183 Session Progress message in SIP. When configuring the feature, the SIP_ISDN Interworking configures the SIP side. The ISDN side needs to have the Call Proceeding IW field in the ISDN Group also enabled and configured for the interworking/mapping to function correctly.
Map ISDN Call Proceeding to SIP 183
Field Descriptions
Call Proceeding IW Procedure
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