Many of business customers ask us what is a 100 Number DID range and how do they work and how will they make us more efficient? A 100 Number DID (Direct In Dial) Range is a series of 100 numbers that are allocated to ISDN Business phone lines. DID ranges can be added to ISDN 2, ISDN 10203 and ISDN Multi Line services. The real advantage of a DID range is that even though you may only have 2, 4, 6 or 10 or more ISDN phone lines connected, you can be allocated a block of 100 numbers and this is known as a 100 number DID range. 100 Number DID ranges are a batch of 100 numbers starting with 00 and ending in 99. For example 0265641200 to 0265641299. The main benefit of using a 100 number Direct In Dial range is that you don’t need to have a full phone line for every employee. Using a DID range also means you can have multiple generic numbers allocated to departments such as accounts, sales, service etc as well as direct numbers for any employees needing them. When a 100 number DID range is combined with PABX phone system functions such as line hunt and pre programmed call orienting are possible. Eg a business has 25 staff, an Accounts Department, A sales Department and Service Department. There are also 3 department heads, 6 sales staff and 7 Managers & Service staff that require a direct number but at no time is there ever more than 10 concurrent phone calls. By taking a 100 Number DID range a number can be allocated to each department and each of the staff that require a Direct Phone number. 19 Numbers are require as well as a general advertised business number. For example if you allocated a number for accounts, the DID range can be programmed on the PABX phone system to forward incoming phone calls to a nominated batch of extensions for that department, and then to hunt through those extensions until a free extension is available. In simple terms the call can hunt around the department until it finds an employee who is not on the phone and able to take the call. Alternately you can use a Auto Attendant so that when someone rings the main number they can have a choice, dial 1 for Sales, 2 For Accounts, 3 for Service or 4 for general business. If they dial 4 for general business the call can be directed to reception who can forward the call to the relevant department or person also. They can also be prompted to dial the extension of the person they would like to speak to. Direct Dial also allows the customer to Dial the person they wish to speak ton directly, by passing reception and the Auto Attendant on the phone system If the full phone number of the Manager is dialled the call will go directly to the manager by passing reception. Most networks that offer ISDN Digital business phone lines (available with ISDN 2 and ISDN 10/20/30) will be able to offer a 100 Number In Dial range. A Direct In Dial service is not available on a PSTN Business Phone Line.
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