Подсистема ISUP. Основные положения. Функциональная диаграмма подсистемы ISUP. Пример организации сети ОКС7/ISUP, страница 10

----0---        Holding indicator : 0h = holding not requested

---1----        ISDN access indicator : 1h = terminating access ISDN

--1-----        Echo control device indicator : 1h = INC device included

00------        SCCP method indicator : 0h = no indication

********  ISDN User Part V3.2.2

********    <General Fields>

********      Destination Point Code : 15418

********      Originating Point Code : 3651

1010----      Signalling Link Selection : 10

********      Circuit Identity Code : 650

********    ANSWER

********      Connected Number

-0000100        Nature of address indicator : 4 = international number

1-------        Odd/Even : 1h = odd number of address signals

------11        Screening indicator : 3h = network provided

----00--        Address presentation restricted indicator : 0 = presentation allowed

-001----        Numbering plan indicator : 1 = E.164

********        Address information : 79030553289

********  ISDN User Part V3.2.2

********    <General Fields>

********      Destination Point Code : 15418

********      Originating Point Code : 3651

1010----      Signalling Link Selection : 10

********      Circuit Identity Code : 650

********    RELEASE

********      Cause indicators

----0000        Location : 0h = User

-00-----        Coding standard : 0h = CCITT

-0010000        Cause value : 16 = normal event - normal call clearing

********        Diagnostic information : No Value Present

********  ISDN User Part V3.2.2

********    <General Fields>

********      Destination Point Code : 3651

********      Originating Point Code : 15418

1010----      Signalling Link Selection : 10

********      Circuit Identity Code : 650

********    RELEASE COMPLETE

Сообщение Call Progress (CPG) – изменениепараметровмаршрутизации

Event Indicator:

§  ALERTING (оповещение);

§  PROGRESS (изменение параметров маршрута соединения);

§  in-band information of an appropriate pattern is now available (внутриполосная информация);

§  call forwarded on busy (переадресация при занятости);

§  call forwarded on no reply (переадресация по не ответу);

§  call forwarded unconditional (безусловная переадресация).

********  ISDN User Part V3.2.2

********    <General Fields>

********      Destination Point Code : 3651

********      Originating Point Code : 15418

1011----      Signalling Link Selection : 11

********      Circuit Identity Code : 491

********    CALL PROGRESS

********      Event Information

-0000001        Event indicator : 1h = ALERTING

0-------        Event presentation restricted indicator : 0h = no indication

********      Backward Call Indicators

------10        Charge indicator : 2h = charge

----01--        Called party's status indicator : 1h = subscriber free

--01----        Called party's category indicator : 1h = ordinary subscriber

00------        End-to-end method indicator : 0h = not available

-------0        Interworking indicator : 0h = no interworking encountered

------0-        End-to-end information indicator : 0h = not available

-----1--        ISDN user part indicator : 1h = ISDN user part used all the way

----0---        Holding indicator : 0h = holding not requested

---1----        ISDN access indicator : 1h = terminating access ISDN

--1-----        Echo control device indicator : 1h = INC device included

00------        SCCP method indicator : 0h = no indication

********  ISDN User Part V3.2.2

********    <General Fields>

********      Destination Point Code : 3651

********      Originating Point Code : 15418

0011----      Signalling Link Selection : 3

********      Circuit Identity Code : 291

********    CALL PROGRESS

********      Event Information

-0000011        Event indicator : 3h = in-band info of an appropriate pattern is available