NCCN 100 Main Document
NCCN 100 Cover Note<<a class=secondaryNavLink href="/content" target=_blank>NCCN 100 Cover Note
Section B3, Part 3.05 (Directory Enquiry Service)

NCCN 99 Main Document
NCCN 99 Cover Note
Section B3, Part 3.01 (National Operator Assistance Service)

NCCN 98 Main Document
NCCN 98 Cover Note
Section B1, Part 1.06 (FreefoneTM 0800 & 0808 Calls, Lo-CallTM 0345 & 0845 Calls, BT Premium Rate Service Calls, National CallTM 0990 & 0870 Calls, BT Schools' 0820 Calls)
Section B1, Part 1.13 (BT International Incoming Calls From Authorised Overseas Systems Via The Operator System Handed Over To The BT System)
Section B3, Part 3.24 (BT Universal Freefone Service (UFS))

NCCN 83 Withdrawal Main Document

NCCN 97 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 96 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 95 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 94 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 93 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 92 Main Document
NCCN 92 Industry Briefing
Section B3, Part 3.11 (Entries In BT's Operator Services Information System (OSIS) and Phone Books)

NCCN 91 Main Document
Section B1, Part 1.06 (FreefoneTM 0800 & 0808 Calls, Lo-CallTM 0345 & 0845 Calls, BT Premium Rate Service Calls, National CallTM 0990 & 0870 Calls, BT Schools' 0820 Calls

NCCN 90 Main Document
NCCN 90 Cover Note
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))
Section B1, Part 1.04 (Basic International Outgoing Calls to Authorised Overseas Systems via the BT System (Mobiles))

NCCN 89 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 88 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic))

NCCN 87 Main Document
Section B1, Part 1.19 (Telex Interconnect Inland)

NCCN 86 Main Document
Section B1, Part 1.18 (Telex Interconnect International)

NCCN 85 Main Document
Section B3, Part 3.05 (Directory Enquiry Service)

NCCN 84 Main Document
Section B1, Part 1.04.3 (Call Terminations on Overseas Mobile Networks via BT DMSU)

NCCN 83 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 82 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 81 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 80 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 79 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 78 Main Document
Section B1, Part 1.16 (FeatureNet Call-In)

NCCN 77 Main Document (including Carrier Price List entry)


NCCN 67 Amended Document
BT ClickTM Product Description

NCCN 76 Main Document (including Carrier Price List entry)

NCCN 75 Main Document (including Carrier Price List entry)

NCCN 74 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 73 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DMSU))
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic via DISC))

NCCN 72 Main Document
Section B4, Part 4.02 (Fixed Channel Service ISDNconnect)

NCCN 71 Main Document
Section B1, Part 1.04 (BT International Outgoing Calls to Authorised Overseas Systems via the BT System (Basic))

NCCN 70 Main Document
Section B3, Part 3.20 (Directory Assistance Call Completion Service)

NCCN 69 Main Document
Section B3, Part 3.31 (BT SCCP Signalling Transit Service)

NCCN 68 Main Document
Section B1, Part 1.16 (BT Ported Mobile Transit Calls via the BT System)

NCCN 67 Main Document
BT ClickTM Product Description
This NCCN has been superseded by NCCN 77



NCCN 65 Main Document
NCCN 65 Cover Note


NCCN 63 Main Document
Section B1, Part 3.20 (Directory Assistance Call Completion Service)

NCCN 62 Main Document
Section B1, Part 3.04 (Transfer Charge Calls)

NCCN 61 Main Document
Section B1, Part 3.01 (National Operator Assistance Service)

NCCN 60 Main Document
Section B1, Part 1.13 (BT International Incoming Calls from Authorised Overseas Systems the Operator System Handed over to the BT System)

NCCN 59 Main Document
Sections A1 1.5-1.7 & A2
Section B1, Part 1.01 (BT Telephony Calls to the BT System)
Section B1, Part 1.10 (Indirect Access Calls to the Operator System)





NCCN 54 Main Document
Section B1, Part 3.04 (Transfer Charge Calls)
Section B1, Part 3.06 (International Operator Assistance)



NCCN 51 Main Document