Welltech Dialogic SS7 Protocols ISUP - Manual (Page 86)

Section 6 Interface to Application
86
6.7.1 Called Party Number
The format of the called party number is defined in ITU-T Q.763 Section 3.9.
Due to the importance of the parameter is also shown in the following figure:
Figure 2. Format of the Called Party Number Parameter
8 7 6 5 4 3 2 1
Name = 00000100 (4)
Length = 2 - 18
1 ODD/
EVEN
Nature of address indicator
2 INN
Ind.
Numbering plan Spare
3 2nd address signal 1st address signal
:
n Filler (if necessary) Nth address signal
For ANSI, the Called party number parameter is defined in T1.113 Section
3.6. If the Nature of Address Indicator indicates that “no number present”
octets 2-n of the parameter are omitted.
6.7.2 Calling Party Number
The format of the calling party number parameter is defined in ITU-T Q.763
Section 3.10. Due to the importance of the parameter it is also shown in the
following figure:
Figure 3. Format of the Calling Party Number Parameter
8 7 6 5 4 3 2 1
Name = 00001010 (10)
Length = 2 – 18
1 ODD/
EVEN
Nature of address indicator
2 NI Numbering plan Presentation
indicator
Screening
indicator
2nd address signal 1st address signal
:
n Filler (if necessary) Nth address signal