V13 is the version for Communication Manager Release 3.0. If this field is not set to V13 or later, your system does not support the Feature Description and Implementation feature. Go to the Avaya Support website at http://support.avaya.com for current documentation and knowledge articles related to administering Emergency Calls from Unnamed IP Endpoints, or to open a service request.
To view the Optional Features screen, type display system-parameters customer-options. Press Enter.