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...
Ngày tải lên: 02/07/2014, 09:20
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...
Ngày tải lên: 02/07/2014, 08:21
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...
Ngày tải lên: 02/07/2014, 08:21
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...
Ngày tải lên: 02/07/2014, 08:21
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...
Ngày tải lên: 02/07/2014, 09:20
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...
Ngày tải lên: 02/07/2014, 09:20
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...
Ngày tải lên: 02/07/2014, 09:20
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...
Ngày tải lên: 02/07/2014, 08:21
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...
Ngày tải lên: 02/07/2014, 08:21
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...
Ngày tải lên: 02/07/2014, 08:21