ISDN PRI and BRI / 197P0992640 03 Modular ICS 6.0 System Coordinator GuideName and number blocking for PRIWhen activated, ²¡Úá allows you to block theoutgoing name and/or number on a per-call basis. Name andnumber blocking can be used with a Norstar set but not withan ISDN terminal.Consult your customer service representative to determinewhether or not this feature is compatible with your provider.Emergency 911 DialingModular ICS 6.0 with the ISDN PRI feature is capable oftransmitting the telephone number and internal extensionnumber of a calling station dialing 911 to the Public SwitchedTelephone Network. State and local requirements for supportof Emergency 911 Dialing service by Customer PremisesEquipment vary. Consult your local telecommunicationsservice provider regarding compliance with applicable lawsand regulations.If transmission of internal extension numbers is not required ordesired, then it is recommended that the System Coordinatormaintain a site map or location directory that allowsemergency personnel to rapidly locate a Norstar set given itsDID number. This list should be kept up to date and readilyavailable, and can be included with the Programming Record.Two-way DIDWith PRI, the same lines can be used for receiving directinward dialing (DID) and for making direct outward dialing(DOD) calls.The dialing plan determines how calls are routed.Consult your customer service representative to determinewhether or not this feature is compatible with your serviceprovider.
