0x2725 Forward Call Indicators
(Interworking Only)
Used in:
0x0033 NPDI Universal ICB
Byte |
Description |
0, 1 |
Tag 0x2725 |
2, 3 |
Length Variable |
4-8 |
Value[0] First byte indicator Bit 1 - Incoming International Call Indicator 0 Not an incoming international call 1 Incoming international call Bit 2 - End-to-End Method Indicator 00 No end-to-end method available 01 Pass along method available 10 SCCP Method available 11 Pass along and SCCP method available Bit 3 - Interworking Indicator 0 No interworking encountered (SS7 all the way) 1 Interworking encountered Bit 4 - IAM Segmentation Indicator 0 No indication 1 Additional information sent in an unsolicited Bit 5 - ISUP Indicator 0 ISUP not used all the way 1 ISUP used all the way Bit 6 - ISUP Preference Indicator 00 ISUP Preferred all the way 01 ISUP not required all the way 10 ISUP required all the way 11 Spare |
5 |
Value[1] Second byte indicator Bit 1 - ISDN Access Indicator 0 Originating access non-ISDN 1 Originating access ISDN Bits 2-3 - SCCP Method Indicator 00 No indication 01 Connectionless method available 10 Connection oriented method available 11 Connectionless and connection oriented Bit 4 - Spare Bits 5-8 - Reserved for National Use |