Signaling System No 7 Protocol Architecture And Sevices part 1 ppsx
Signaling System No.7 Protocol Architecture And Sevices part 1 ppsx
...
p
rovide the novice reader with a better understanding of the book's main topic:
Signaling System No. 7. Today, Signaling System No. 7 is the most advanced and
widely used signaling system for ... Channel Signaling (CCS) method of signaling
and its operational modes
• The limitations of CAS and CCS
Signaling System No. 7, known more commonly in North A...
Signaling System No.7 Protocol Architecture And Sevices part 19 ppsx
... STP1 and SSP B has failed in
Figure 7- 17
. As a result, SSP A should only route messages to SSP B through
STP1 as a last resort because STP1 no longer has an associated route. Even though
none ... between STP 1
and STP 2 for traffic destined to SSP B, the MSUs previously diverted to STP 1
should now be sent to STP 2. If a path existed between STP 1 and STP 2, either
SSP...
Signaling System No.7 Protocol Architecture And Sevices part 23 ppsx
...
p
rovider portability and location portability. Some of the mechanisms used for NP
employ Intelligent Network (IN) databases, so we cover NP in part both in the
Chapter 11
and in this chapter. ... called party exist in many countries; however, terminal
p
ortability for the calling party is not supported as often. ANSI networks do not
support terminal portability for the calling...
Signaling System No.7 Protocol Architecture And Sevices part 26 ppsx
... Control Part (SCCP) is defined in ITU-T
Recommendations Q . 71 1- Q . 71 6 [58
–63] and for North American markets in ANSI
T1 .11 2 [2
]. SCCP sits on top of Message Transfer Part 3 (MTP3) in the SS7
p
rotocol ...
Application Part (CAP), MAP, INAP, and AIN.
Table 9 -1
shows the connectionless service protocol classes and features.
Table 9 -1. Connectionless Service Pr...
Signaling System No.7 Protocol Architecture And Sevices part 45 ppsx
...
use)
0 0 0 0 0 1 1 0 HLR
0 0 0 0 0 1 1 1 VLR
0 0 0 0 1 0 0 0 MSC
0 0 0 0 1 0 0 1 EIR
Interfaces and Protocols
The previous section introduced GSM network architecture, and this section ...
introduces the SS7/C7 protocols that are used. It also discusses interfaces, because
different protocols are used on different interfaces. The SS7/C7 protocols MTP,
SCCP, TUP, ISU...
Signaling System No.7 Protocol Architecture And Sevices part 55 ppsx
... Protocol Stack
RUDP is a simple packet-based transport protocol that is based on Reliable Data
Protocol (RFC 11 51 [14 8
] and RFC 908 [14 9]). RUDP has the following features:
• Connection-oriented ...
backhaul protocol layer is used to provide adaptation between MTP Level 2 and
MTP Level 3. Figure 14 -28
shows the protocol stacks used by the SLT and
PGW2200.
Fi...
Signaling System No.7 Protocol Architecture And Sevices part 61 ppsx
... include: 1. 1, 1. 5, 1. 22, 1. 28, 2 .7, 3 .1, 3.2,
4 .1, 5 .1, 6 .1, 7. 1, 8.3, 9.3, and 10 .1. These numbers refer to the test numbers that
are allocated in Q .78 1. Many of the tests that are not used ... control 4 .1 4.3 3
SU delimitation, alignment, error detection, and
correction
5 .1 5.5 5
SUERM check 6 .1 6.4 4
AERM check 7. 1 7. 4 4
Transmission and reception...
Signaling System No.7 Protocol Architecture And Sevices part 2 ppt
... 2
, "Standards."
Table 1- 1. Tones Used to Create DTMF Signals
12 09 Hz 13 36 Hz 1 477 Hz 16 33 Hz
6 97 Hz 1 2 3 A
77 0 Hz 4 5 6 B
852 Hz 7 8 9 C
9 41 Hz * 0 # D
Subscriber Signaling ... Associated
Signaling (CAS) techniques and systems. However, for the past two decades, it has
been replaced with Common Channel Signaling (CCS) systems. Apart from a rare...
Signaling System No.7 Protocol Architecture And Sevices part 3 pps
... 1- 3
shows the tone combinations for Bell System MF, R1, and C5. R2 tone
combinations are not shown.
Table 1- 3. Tones Used to Create MF Signals
Digit Frequencies
70 0 900 11 00 13 00 15 00 17 0 0
1 ... therefore, signaling is sent above the 3400 Hz
(and below 4000 Hz). This is known as out-of-band signaling and is used in R2 for
supervisory signaling. Unlike with...
Signaling System No.7 Protocol Architecture And Sevices part 4 potx
... digital CAS signaling.
The only CCS systems that have been implemented to date are Signaling Systems
N
o. 6 and No. 7 (SS6 and SS7). The ITU for the international network originally
standardized ... wireless, and fixed-line standards are all being addressed by
the SS7/C7 standards bodies is a sign of the central role that SS7/C7 plays in the
convergence of today's voice...