Operation O, administration Maintenance M. - OA&M. - [1, . 10].
[1, . 10].
1.1. . 1.2, , . . 1.2. - - . . 2 - 5 .
1.2.
- | |||
X5+X6=11 | 5ESS | Alcatel-Lucent | |
X5+X6=2 | |||
X5+X6=4 | -NGN | ||
X5+X6=12 | -90 | ||
X5+X6=13 | AXE-10 | Ericsson | |
X5+X6=14 | C&C 08 | Huawei | |
X5+X6=5 | DMS-100 | Nortel | |
X5+X6=15 | DX-200 | Nokia-Siemens | |
X5+X6=16 | EWSD | Nokia-Siemens | |
X5+X6=6 | |||
X5+X6= 7 | Linea-UT | Italtel | |
X5+X6=1, | -200 | ||
X5+X6=9 | NEAX61 | NEC | |
X5+X6=3 | |||
X5+X6=8 | S12 | Alcatel-Lucent | |
X5+X6=10 | SI-2000 | Iskratel | |
X5+X6=0,1 | ZXJJ10 | ZTE |
1.2. - , . 1.3 . - // . 1.3. . . 2 5 .
1.3
- | // | |
X4+X6=1 | ||
X4+X6=2 | , Hybrid (H) | |
X4+X6=3 | , Overload protection (O) | |
X4+X6=4 | , Coding (C) | |
X4+X6=5 | V5.2 | |
X4+X6=6 | PRI | |
X4+X6=7 | ||
X4+X6=8 | , Battery (B) | |
X4+X6=9 | - | |
X4+X6=10 | ||
X4+X6=11 | ||
X4+X6=12 | ||
X4+X6=13 | , Ringing (R) | |
X4+X6=14 | DTMF | |
X4+X6=15 | ||
X4+X6=16 | 2 6 | |
X4+X6=17 | , Supervision (S) | |
X4+X6=18 | ET | |
X4+X6=19 | , Test (T) |
|
|
SDL MSC
SDL
. 2.1 - (ITU). - : , SDL, / ; MSC, - .
SDL (Z.100) MSC (Z.120)
. 2.1.
3 :
SDL- ;
SDL- ;
SDL-;
SDL- ;
, SDL-;
SDL- .
. 2.2 SDL-, - , SDL-: , , . , . - SDL , .
. 2.2.
SDL- , . SDL .
SDL- , - - ( ). . , , .
, , - , .. - , - , , - , - . , , - , . , SDL-.
, , - SDL-. - , - .
, , - , (, - ), - , ( / , ..).
|
|
. 2.3. . - , : - .
. . , . 2.3.
, . - .
Dcl dcl dcl
Natural; Buffer Type; Natural.
()
|
' '
' '
. 2.3. SDL-
SDL, , . 2.1. - SDL. , , - , , , , , , , , , - , ., - (. 2.1).
SDL
2.1.
|
SDL/GR | SDL/PR | |
STATE NEXTSTATE | , | |
TASK | ||
INPUT | ||
OUTPUT | ||
SAVE | ||
DECISION | ||
CALL | ||
MACRO | ||
CREATE | ||
ALTERNATIVE |
. 2.1
SDL/GR SDL/PR
STOP
RETURN
ENDMACRO
START
PROCEDURE
MACRO
EXPANSION
COMMENT
X: JOIN X
,
[... ] [...]
,
< > PROVIDED
SDL- - , , . . - , . , , - , . , .
- :
;
() - ;
|
|
() , - ;
() , ;
n (, n ≥2) , , ;
.
/ , , - , . , (n ≥2) - .
, - , - , , , , , , .
SDL : - , , - .
SDL [3, .1, . 2].
2.1. SDL- . SDL- . 2.2 .
2.2 SDL-
SDL- | ||
2+X4+X5=5 | ISDN- DSS1 1 NT | 2 |
2+X4+X5=4 | ISDN- DSS1 1 | 2 |
2+X4+X5=15 | / ISUP | . H.27/Q.764 |
2+X4+X5=16 | / - ISUP | . H.28/Q.764 |
2+X4+X5 =1 | ISUP (Call Processing Control Incoming) | . H.21/Q.764 |
2+X4+X5=6 | R1.5 | 1 |
2+X4+X5=3 | R1.5 - | 1 |
2+X4+X5=12 | R1.5 - | 1 |
2+X4+X5=10 | R1.5 - | 1 |
2+X4+X5=2 | R1.5 - | 1 |
2+X4+X5=0 | R1.5 - | 1 |
2+X4+X5=14 | ISUP (Call Processing Control Outgoing) | . H.22/Q.764 |
2+X4+X5=8 | - 1 | 1 |
2+X4+X5=9 | - 2 | 1 |
2+X4+X5=7 | 1 | |
2+X4+X5=11 | 1 | |
2+X4+X5=18 | ISUP | . H.23/Q.764 |
2+X4+X5=19 | ISUP | . H.24/Q.764 |
2+X4+X5=17 | - ISUP | . H.20/Q.764 |
2+X4+X5=13 | - SCCP | 1 |