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This Amendment 3 to the ISUP Specification Q.764 (12/1999) contains three modifications: 1) Fallback procedures; modification of clause 2.5.2.2.2. 2) Procedures to support the calling party's category for calls from mobile terminals; new procedures in a new clause 2.26. 3) Signalling procedures for automatic re-routing (crankback); new procedures in a new clause 2.27. NOTE - Previous amendments to ITU-T Rec. Q.764 (12/1999) still apply and need to be taken into account when applying this amendment.
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.080 : Integrated Services Digital Network (ISDN) |
| Number of pages | 12 |
| Cross references | OENORM EN 300356-22 V 1.1.1 (2003-09-01), MOD |
| Modify | ITU-T Q.764 (1999-12) |
| Year | 2004 |
| Document history | |
| Country | International |
| Keyword | CCITT Q.764;CCITT Q.764 AMD 3;ITU-T Q.764;ITU-T 764;764;ITU-T Q.764 (1999) AMD 3 |