UNIVERGE SV8100 Issue 5.0Direct Inward Dialing (DID) 1 - 385Direct Inward Dialing (DID)DescriptionDirect Inward Dialing (DID) lets outside callers directly dial system extensions. DID saves time for callerswho know the extension number they wish to reach. To place a DID call, the outside caller dials the localexchange and additional digits to ring the telephone system extension. For example, DID number 926-5400 can directly dial extension 400. The caller does not have to rely on attendant or secretary callscreening to complete the call.. Direct Inward Dialing requires DID service from Telco.In addition to direct dialing of system extensions, DID provides: DID Dialed Number Translation Flexible DID Service Compatibility DID Intercept DID Camp-OnThere are 20 DID Translation tables that can be divided between 2000 entries.DID Dialed Number TranslationDID allows different tables for DID number translation. This gives you more flexibility when buying DIDservice from Telco. If you cannot buy the exact block of numbers you need (e.g., 301~556), use thetranslation tables to convert the digits received. For example, a translation table could convert digits501~756 to extension numbers 301~556.The UNIVERGE SV8100 system has 2000 DID Translation Table entries that you can allocate amongthe 20 DID Translation Tables. One translation is made in each entry. For a simple installation, you canput all 2000 entries in the same table. For more flexibility, you can optionally distribute the 2000 entriesamong the 20 tables.In addition to number conversion, each DID Translation Table entry can have a name assigned to it.When the DID call rings the destination extension, the programmed name displays.Flexible DID Service CompatibilityWith three-digit service, the Telco sends three digits to the system for translation. Be sure to programyour system for compatibility with the provided Telco service. For example, if the Telco sends four digits,make sure you set up the translation tables to accept four digits.DID Camp-On
