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What do I get with ISDN30 (DASS)? | BT Business
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What do I get with ISDN30 (DASS)?

What is DASS?

What does ISDN30 (DASS) terminate on?

Is my ISDN30 (DASS) service Balanced or Unbalanced? My switch engineer has asked me to find out.

How many DDI ranges and numbers can I have on an ISDN30 (DASS) circuit?

Could you provide some examples of valid numbering?

Can I divert single number DDI?

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