BT Price List

Section 1:Exchange Lines

Part 24:BT ISDN 30 (Integrated Services Digital Network) (ISDN30 I421 Has Been Withdrawn with effect from 31 July 2008 (service removal in progress))

Subpart 3:Direct Dialling in (DDI)(i)(j)

Bulk DDI Scheme

The bulk DDI scheme is suitable for customers with large requirements of DDI numbers per channel. For new supply, a maximum of 100 DDI numbers per channel can be ordered. Customers can convert this option from other ISDN30 and analogue DDI options. If there are no changes to the DDI number range then planning and connection charges are not raised, but if any alterations are required the normal charge for changes applies.

The Bulk DDI scheme MUST be applied across ALL ISDN30 Channels on any single installation.

Customers requiring more DDI numbers than available through the Bulk DDI scheme can purchase additional individual DDI numbers. Customers on the Bulk DDI scheme cannot use Quota DDI to purchase additional DDI numbers.

Bulk DDI charges apply in addition to the ISDN 30 Channel Connection and rental charges.

	Connection Charge		Rental
	Exc VAT	Inc VAT	Exc VAT	Inc VAT
	£	£	£(pq)	£(pq)
Each installation	-	-	523.50	602.02
Each BT ISDN 30 channel with DDI facility	99.00	113.85	37.40	43.01
Changes to numbers at an installation, per DDI number range (including any single DDI numbers, subject to the maximum allowed), or for changes to any single DDI numbers alone (h)	100.00	115.00	-	-

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