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To create the ISDN Group object, an ISDN D Channel must first be created. The ISDN D Channels created can be chosen from the drop down menu of the ISDN D Channel field displayed above. Once the ISDN Group has been configured, the ISDN Circuits or B Channels can be created under it.
IMG 1010 - Configuring ISDN Routing
Maximum Objects:
T1 - 32/ E1 - 24 per Channel Group
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The option selected will be removed from the outgoing SETUP message. Below displays the selections in the drop down menu. Refer to the IMG 1010 - Configuring SIP Privacy topic for more information.
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Enabled- When set to Enabled, the ISDN Call Proceeding to SIP 183 Progress functionality is enabled on the ISDN side. The ISDN Progress Indicator will be interworked into the SIP 183 Progress message if the Progress Indicator value is either No. 1 or No. 8. After enabling the ISDN side, the SIP side must also be configured. This is accomplished under the IMG 1010 - SIP_ISDN Interworking object. For configuration information on the feature, refer to the IMG 1010 - Map ISDN Call Proceeding to SIP 183 topic.
Remove IE in Alerting Message
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