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Consult 21 Interconnect Working Group. 24 January 2006. John Baughan BT Wholesale Numbering & Addressing Policy. NIPP. Network Information Publication Principles Oftel (now Ofcom) Code of Practice - 1994 Availability - In Confidence to CPs
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Consult 21 Interconnect Working Group 24 January 2006 John Baughan BT Wholesale Numbering & Addressing Policy
NIPP • Network Information Publication Principles • Oftel (now Ofcom) Code of Practice - 1994 • Availability - In Confidence to CPs • Function - To enable CPs to plan their network routeing for Interconnect
NIPP • A general description of BT’s Network • More detailed information published quarterly (QNI) - January, April, July, October • Precise details during interconnect negotiations • BT - will give operators “reasonable” advance notice of its network planning programme • To inform operators of changes which will affect interconnect
Requirements of CoP • General Network Description • Town location of - Host Processors, Trunk Exchanges, International Exchanges • Interconnection interfaces available • Call routing principles
Requirements of CoP • Quarterly Network Information • Number Ranges hosted on a processor System type of processorTown location of processorDigital Main Switching Unit hosting processorPlanned changes to any of the above
NIPP Document Quarterly Network Information - Main • Sections 1-4 • Introduction and Explanation of Data Files • Section 5 • Planned Changes to BT Network • New Exchanges - Re-parenting - Closures • Switches - Transport - Signalling - Synchronisation
NIPP Document Quarterly Network Information - Annexes • A - Code of Practice – On web • B - Interconnection Facilities – On web • C - Detailed Explanation of Data Files • D - London Network Structure • E - Provincial Network Structure • F - Frame Relay Interconnection
Number ranges in use Parenting of ranges DLT to DLTE DLTEs DLE to DMSU Parent Priority DMSU re-parenting DMSU to NGS Exchange Names GNP Prefix routing Ranges being modernised Ranges being re-parented National Grid References NNIs Tandem parenting WAT to WAT Exchange addresses NIPP Data
Recent Changes • Annexes published separately • Alignment with EBC • Changes to file format • Changes to web pages • Move to monthly update of some data files