telecom broadband

ddi_numberA DDI number is a very useful means of contacting you.  What does DDI number mean though?  It stands for Directed Dialling Inwards – self explanatory.

When you order your ISDN2 or ISDN30 circuits you can request a DDI number block of 10, 100 or 1000 (or more if you wish).  Should you be moving to ISDN from analogue lines then it is possible that you can retain your existing number or numbers.  They are called Single Number DDI’s (SNDDI).  We’ll check that for you.  However, there you are limited to a total of 5 ranges of DDI number so you may have to relinquish some if you have a lot of old ones.

A DDI number range can provide you with a memorable number or more if a larger selection has been chosen.  These can be utilised as Reception, Fax and Departmental contact points.

At TelephoneSystemsDirect we specialise in the use of the DDI number.  We’ll sit down with you and plan the DDI number allocation so you make the best utilisation of what you’ve ordered.  DDI_number phone systems.pdf

Finally a DDI number costs you about 20p per month which is far less than the rental of a physical line.

Ring us on 0800 652 8052 to talk about DDI number ordering.

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