3 bicc cs2 and signalling system no 7 isdn user part formats and codes qui định các khuôn dạng và mã được sử dụng cho bicc và isup
7 Hoàn thiện kế toán tài sản cố định với việc nâng cao hiệu quả sử dụng tài sản cố định tại Công ty in bưu điện
... trúc 3. 631 . 035 .4 43 4 .32 5.695.216 134 . 176 .281 6.822.554 . 37 7 18 .33 8. 576 .498 5.499. 4 37 .916 31 2.529.105 23. 525.485 .30 9 + Phơng tiện vtải, truyền dẫn 1 .76 9.061.818 274 .5 27 .35 8 199 .77 6.000 1.8 43. 8 13. 176 ... sản cố định vào sử dụng theo dự tính Quyền sử dụng đất Nguyên giá TSCĐVH quyền sử dụng đất (bao gồm quyền sử dụng đất có thời hạn quyền sử dụng đất lâu dài ) : tiền chi để có quyền sử dụng đất ... bị sử dụng Hệ số sử dụng thiết bị lắp Số thiết bị lắp Số thiết bị sử dụng Hệ số sử dụng thiết bị có Số thiết bị có b) ảnh hởng công tác quản lý TSCĐ đến hiệu sử dụng TSCĐ : Khái niệm hiệu sử dụng...
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Signaling System No.7 Protocol Architecture And Sevices part 3 pps
... 4000 Hz) This is known as out-of-band signaling and is used in R2 for supervisory signaling Unlike with in-band signaling, no contention exists between user traffic and signaling North America uses ... the called party hangs up, it sends a clear-backward signal SF uses an in-band tone In-band systems send the signaling information within the user' s voice frequency range (30 0 Hz to 34 00 Hz) A ... the user' s voice frequency range FDM analog systems nearly always reserve up to 4000 Hz for each circuit, but only use 30 0 34 00 Hz for speech; therefore, signaling is sent above the 34 00 Hz (and...
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Signaling System No.7 Protocol Architecture And Sevices part 2 ppt
... Used to Create DTMF Signals 1209 Hz 133 6 Hz 1 477 Hz 1 633 Hz 6 97 Hz A 77 0 Hz B 852 Hz C 941 Hz * # D The fourth column (1 633 Hz) has several special uses that are not found on regular telephones The ... techniques and systems However, for the past two decades, it has been replaced with Common Channel Signaling (CCS) systems Apart from a rare trace of Signaling System No (SS6) signaling, System No (SS7) ... requires both ground and current detectors in customer premise equipment (CPE) Tones and Announcements Tones and announcements are audible backward signals, such as dial tone, ring back, and...
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Signaling System No.7 Protocol Architecture And Sevices part 4 potx
... Internet, 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 and data networks ... Signaling System No (SS7) standards at the national, regional, and international levels The standards process works through agreement among relevant experts from across a spectrum of private and public ... non-associated mode Associated and quasi-associated signaling modes ensure sequential delivery, while non-associated does not SS7 does not run in non-associated mode because it does not have procedures...
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Signaling System No.7 Protocol Architecture And Sevices part 6 docx
... Personal Communications Equipment TR -34 Satellite Equipment and Systems TR-41 User Premises Telecommunications Requirements TR-45 Mobile and Personal Communications Systems Standards TR-46 Mobile ... TR-8 Mobile and Personal/Private Radio Standards TR-14 Point-to-Point Communications TR-29 Facsimile Systems and Point-to-Multipoint TR -30 Data Transmission Systems and Equipment TR -32 Personal ... (TSACC), and China participate in 3GPP2 < Day Day Up > < Day Day Up > National and Industry Standards National standards are based on either ITU-T standards for nationalization or regional standards...
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Signaling System No.7 Protocol Architecture And Sevices part 7 potx
... which SS7/C7 establishes a call behind the scenes This process is further discussed in Chapter 8, "ISDN User Part (ISUP) ." 2nd and 3rd Generation Cellular Networks Cellular networks use SS7/C7 for ... subscriber's and their voice mailbox Fixed-line SMS requires compatible phones, which are becoming readily available SMS is carried on the SS7/C7 network, and it makes use of SS7/C7 for the required ... in the same way; the SS7/C7 network carries it, and it uses SS7/C7 for the required signaling procedures EMS allows users to obtain new ring tones, screensavers, pictures, and animations for their...
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Signaling System No.7 Protocol Architecture And Sevices part 8 potx
... bodies Signaling System No is more commonly known by the acronyms SS7 and C7 Strictly speaking, the term C7 (or, less commonly, CCS7) refers to the international Signaling System No network protocols ... subscriber can plug the SIM into a new cellular handset and the number "transfers" to that handset, along with the billing Location-Based Games SS7/C7 is not only used to deliver games to cell phones, ... ITU-T The term C7 originates from the former title found on the specifications—CCITT Signaling System No The term SS7 tends to specifically refer to the North American regional standards produced...
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Signaling System No.7 Protocol Architecture And Sevices part 9 potx
... revised SCCP and ISUP added 1988 CCITT Blue Book MTP2, MTP3, TUP, and ISUP revised ISUP supplementary services and TCAP added 1992 ITU-T Q .76 7 International ISUP, first publication 19 93 ITU-T "White ... publication 19 93 ITU-T "White Book 93" ISUP revised 1996 ITU-T "White Book 96" MTP3 revised 19 97 ITU-T "White Book 97" ISUP revised 1999 ITU-T "White Book 99" ISUP revised Under the CCITT publishing ... Table 4-1 shows, when SS7 was first published, the protocol stack consisted of only the Message Transfer Part (MTP2), Message Transfer Part (MTP3), and Telephony User Part (TUP) protocols On...
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Signaling System No.7 Protocol Architecture And Sevices part 10 pot
... TUP with ISUP Both North America and Japan bypassed TUP and went straight from earlier signaling systems to ISUP ISUP supports both POTS and ISDN calls It also has more flexibility and features ... to help in the discussion and presentation of the SS7 protocol stack Levels 1, 2, and correspond to MTP 1, 2, and 3, respectively Level refers to an MTP user The term user refers to any protocol ... the MTP—namely, TUP, ISUP, and SCCP in traditional SS7 The four-level terminology originated back when SS7 had only a call control protocol (TUP) and the MTP, before SCCP and TCAP were added The...
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Signaling System No.7 Protocol Architecture And Sevices part 11 doc
... in 1 878 with a manual mechanical switchboard that connected different parties and allowed them to carry on a conversation Today, the PSTN is a network of computers and other electronic equipment ... switching nodes The first approach is a mesh topology, in which all nodes are interconnected This approach does not scale well when you must connect a large number of nodes You must connect each new node ... is a network of computers and other electronic equipment that converts speech into digital data and provides a multitude of sophisticated phone features, data services, and mobile wireless access...
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Signaling System No.7 Protocol Architecture And Sevices part 12 pot
... Switching Systems Requirements Supporting ISDN access using the ISDN User Part) standard specifies the inter-working of ISDN and SS7 Trunks Trunks carry traffic between telephony switching nodes ... Transmission Rate mb/s T1 (North America) 24 1.544 E1 (Europe) 30 2.048 E3 (Europe) 480 34 .36 8 T3 (North America) 672 44. 73 6 Table 5 -3 SONET/SDH Transmission Rates SONET Optical Level SONET Electrical ... — 672 51.840 OC -3 STS -3 STM-1 2016 155.520 OC-12 STS-12 STM-4 8064 622.080 OC-48 STS-48 STM-16 32 ,256 2488 .32 0 OC-96 STS-96 STM -32 64,512 4 976 .64 OC-192 STS-192 STM-64 129,024 99 53. 280 OC -76 8...
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Signaling System No.7 Protocol Architecture And Sevices part 14 potx
... voice and in-band signaling View b shows the SS7 topology using simple associated signaling for all nodes View c shows the actual SS7-enabled PSTN topology The existing switching nodes and facilities ... from MTP3 and Level users that contain the real signaling content This chapter describes the MTP2 fields and the functions they perform It begins by presenting the three SU formats NOTE The formats ... chapter The technologies are not necessarily exclusive; some solutions combine the various technologies Among the current leading VoIP technologies are: • • • Soft switches H .32 3 Session Initiation...
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Signaling System No.7 Protocol Architecture And Sevices part 15 docx
... positive acknowledgment, cyclic retransmission, forward error correction system This means that no negative acknowledgments are used and that the system relies on the absence of a positive acknowledgment ... Only MSUs are acknowledged and resent, if corrupt, to minimize retransmissions FISUs and LSSUs are neither acknowledged nor resent if corrupt; however, the error occurrences are noted for error ... excessive delay would quickly exhaust the available FSNs For example, if at least one outstanding MSU is in the RTB, and no acknowledgment is received within expiration of T7, a link failure indication...
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Signaling System No.7 Protocol Architecture And Sevices part 16 pps
... order to begin initial alignment is received from MTP3 The FIB and the BIB of the LSSUs are set to 1, and the FSN and BSN are set to 1 27 Not Aligned When MTP2 receives an order to begin initial ... acknowledgment delay would normally cause timer T7, excessive delay of acknowledgment, at the distant SP to time out; however, timer T7 restarts each time an SIB is received Therefore, timer T7 ... error, if it is not at If the link reaches a threshold of T, MTP2 informs MTP3, which removes it from service For a 64-kbps link, the values of D and T are 256 and 64, respectively NOTE In ANSI...
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Signaling System No.7 Protocol Architecture And Sevices part 17 pot
... and circuit-related messages) 0111 Data User Part (facility registration and cancellation messages) 1000 Reserved for MTP Testing User Part 1001 Broadband ISDN User Part 1010 Satellite ISDN User ... Testing and Maintenance Messages 0010 Signaling Network Testing and Maintenance Special Messages (ANSI) or Spare (ITU-T) 0011 SCCP 0100 Telephone User Part 0101 ISDN User Part 0110 Data User Part ... subsequent nodes As previously discussed, the DPC field is populated based on the internal routing tables The SLS code is used for load sharing MTP3 User Part messages across links and linksets...
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Signaling System No.7 Protocol Architecture And Sevices part 18 doc
... the MTP3 user is the Telephone User Part (TUP) All messages related to a particular call use the same CIC, resulting in the same SLS value in each message Chapter 8, "ISDN User Part (ISUP) ," ... functionality and structure, with each diverging slightly to address its particular requirements Table 7 -3 lists an association of key IP packet fields with their MTP3 counterparts Table 7 -3 Comparison ... an SSP A User Part (ISUP) needs to communicate via MTP3 with an SSP B User Part (ISUP) SSP A is setting up a call to SSP B and needs to send an ISUP message It requests MTP3 to send a message...
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Signaling System No.7 Protocol Architecture And Sevices part 19 ppsx
... uninhibited for use by user traffic SSP A sends an LUN to uninhibit the link STP now responds with an LUA and user traffic can flow over the link Figure 7 -38 Link Forced Uninhibit MTP3 /User Part Communication ... basic procedure Figure 7 -33 Controlled Rerouting MTP Restart The MTP restart procedure was not a part of the early SS7 standards; it was added later to address issues with nodes coming into service ... adjacent nodes Notify local MTP users of the routing status of routesets maintained by the node Figure 7 -34 shows SSP A undergoing an MTP restart Routing status is received from adjacent nodes,...
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Signaling System No.7 Protocol Architecture And Sevices part 20 potx
... Signaling System No 7, Volume (ISUP) Telcordia GR -31 7 LSSGR— Switching System Generic Requirements for Call Control Using the Integrated Services Digital Network User Part (ISDNUP) Telcordia GR -39 4 ... ETSI ETS 30 0-156-x Integrated Services Digital Network (ISDN) ; Signaling System No 7; ISDN User Part (ISUP) for the international interface The ETS 30 0-121 is version 1, and the ETS 30 0-156-x ... the national ISUP variants: • • ETSI ETS 30 0-121 Integrated Services Digital Network (ISDN) ; Application of the ISDN User Part (ISUP) of CCITT Signaling System No for international ISDN interconnections...
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Signaling System No.7 Protocol Architecture And Sevices part 21 pps
... two parties who are involved in a telephone conversation For example, the originating party is also known as the calling party, or the "A" party The terminating party, or "B" party, are also synonymous ... sent and REL is no longer sent for the nonresponding circuit An indication of the problem is also given to the maintenance system We list the timers for the basic call in part A of Figure 8 -3 to ... called party Unsuccessful Call Attempt In Figure 8 -3, part B shows an unsuccessful call attempt between SSP A and SSP B After receiving the IAM, SSP B checks the status of the destination line and...
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Signaling System No.7 Protocol Architecture And Sevices part 22 pptx
... figures, the variable subfields have not been expanded All of the ISUP Message formats and parameters are documented in ITU-T Q .7 63 ANSI T1.1 13 documents the North American version of the messages ... SS7-signaled circuit, but not use ISUP (for example, TUP signaling); however, if interworking has been encountered, this indicator is set to ISDN User Part not used all the way ISDN User Part Preference ... whether an ISUP facility is required or preferred when choosing an outgoing circuit Some supplementary services or call types are not possible over non -ISUP facilities If ISUP is required but not available,...
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