Nortel BCM50 2.0 Installation Manual

Also see for BCM50 2.0: User guide System overview guide User guide Configuration guide User guide

Contents

Nortel BCM50 2.0 Installation Manual Manual pdf 35 page image

Chapter 5 ISDN overview 35Telephony Device Installation Guide• The OLI digits for each set should be identical to the DID dialed digits for the set.• The routing table should route 911 to a PRI line pool.• If attendant notification is required, the routing table must be set up for all 911 calls to use adedicated line which has an appearance on the attendant console.• The actual digit string 911 is not hard-coded into the system. More than one emergencynumber can be supported.If transmission of internal extension numbers is not required or desired, then it is recommendedthat the person in charge of the system maintain a site map or location directory that allowsemergency personnel to rapidly locate a BCM50 set given its DID number. This list should be keptup to date and readily available.IP telephony note: Ensure that you do not apply a 911 route to an IP telephone that is off thepremises where the PSAP is connected to the system.Two-way DIDWith PRI the same lines can be used for receiving direct inward dialing (DID) and for makingdirect outward dialing (DOD) calls.The dialing plan configured by your customer service representative determines how calls arerouted. Consult your customer service representative to determine whether or not this feature iscompatible with your service provider.Dialing plan and PRIThe Dialing Plan supports PRI connectivity to public and private networks. The dialing plan is acollection of features responsible for processing and routing incoming and outgoing calls. All PRIcalls must go through a dialing plan.Notes about the dialing plan:• allows incoming calls to be routed to sets based on service type and digits received• provides the ability to map user-dialed digits to a service type on a Call by Call basis• allows long distance carrier selection through user-dialed Carrier Access CodesConsult your customer service representative to determine how your dialing plan is configured.Note: For information on adding integrated lines on an integrated router,refer to the integrated router documentation.