Nortel Meridian Meridian 1 Feature Description And Administration page 1494

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Table 112
TON information printed in the CDR ticket for an MCDN incoming trunk
TON code in CDR
0
1
2
3
4
5
6
Table 113
NPI information printed in the CDR ticket for a EuroISDN incoming trunk
NPI code in CDR
00
01
02
03
04
08
09
553-2901-301 Standard 9.00 January 2002
NPI and TON in CDR
Corresponding value of TON in specification
NPI = ISDN/Telephony
numbering plan (Rec. E.164)
0000 - unknown number
0001 - international number
0010 - national number
not used
0100 - local number
not used
not used
Table 113 and Table 114 show the NPI and TON information for a EuroISDN
incoming trunk.
Corresponding value of NPI in specification
0000 - unknown
0001 - ISDN/Telephony numbering plan (Rec.E.164/E.163)
not used
0011 - data numbering plan (Rec.X.121)
0100 - telex numbering plan (Rec.F.69)
1000 - national standard numbering plan
1001 - private numbering plan
NPI = private numbering plan
0000 - unknown number
not used
not used
0011 - ESN SPN
not used
0101 - ESN LOC
0110 - ESN CDP