Numbering plan
48
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
Numbering Plan Identifier E.164
Numbering plan E.164 comprises the following types of number:
Tab. 10 E.164 types of number
[SN] Subscriber Number (user number)
[NDC] National Destination Code (national destination code or toll area code)
[CC] Country Code (country code)
[NP] National Prefix (national prefix)
[IP] International Prefix (international prefix)
The national and international prefixes (in Switzerland 0 for national and 00 for in-
ternational long-distance traffic) are not part of the type of number. Prefix digits are
sometimes also referred to as trunk prefixes.
Type Of Number Structure Example
Subscriber [SN] 624 11 11
National [NDC] [SN] 32 624 11 11
International [CC] [NDC] [SN] 41 32 624 11 11
Unknown [NP] [NDC] [SN] 032 624 11 11
[IP] [CC] [NDC] [SN] 0041 32 624 11 11
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