U 4215 L Switching Signaling1 2
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This document provides an overview of telephony basics, including telephone switching, signaling, and the public switched telephone network. It describes key components like central offices, end office switches, tandem switches, and hierarchical versus dynamic non-hierarchical switching. The document also covers in-band and out-of-band signaling methods as well as signaling systems like multi-frequency signaling, R1, R2, SS7, and the North American SS7 architecture using signal switching points, signal transfer points, and signal control points.
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1. List at least three significant events in the evolution of CDMA networks:
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Signaling System #7 (SS7) is a telecommunications protocol that defines high-speed circuit switching for telephone calls and uses out-of-band signaling between service switching points, signal transfer points, and service control points. It has advantages like separation of control information onto logically separate paths, message-oriented call information exchange, and ability of a single signaling channel to carry information about multiple trunks. The SS7 architecture includes service switching points, service control points, and signal transfer points that communicate using protocols like ISUP, TCAP, and SCCP.
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The document provides information on the evolution of wireless networks from 1G to 3G. It discusses the key components and architecture of cellular systems including base stations, mobile switching centers and their connection to the public switched telephone network. It also compares the differences between wireless and wired networks, and describes some of the limitations of early wireless networking. Finally, it covers topics like traffic routing, circuit switching, packet switching and the X.25 protocol.
Ts patil
SONET (Synchronous Optical Network) is a standard telecommunications protocol that allows transmission of multiple digital bit streams over optical fiber and forms the basis for optical carrier transmission systems. It employs a synchronous digital hierarchy of transmission rates to efficiently handle signals of different digital bit rates. SONET uses synchronous clocking and framing to transport client signals and provides functions for cross-connect, multiplexing and management.
Ts patil
SONET (Synchronous Optical Network) is a standard telecommunications protocol that allows transmission of multiple digital bit streams over optical fiber and forms the basis for optical carrier transmission systems. Key aspects include:
- It defines standards for fiber-optic transmission that ensure interoperability between equipment from different vendors.
- SONET performs at high speeds from 155 Mbps to 2.5 Gbps while maintaining cost competitiveness. It increases bandwidth availability and configuration flexibility over older systems.
- It uses synchronous multiplexing to combine many low-bandwidth channels into high-bandwidth streams in a way that simplifies network management and maintenance.
022 advanced telecommunication systems in
The document discusses intelligent networks (IN) and their components and functions. It describes:
- The components of the SS7 protocol stack that supports INs, including MTP, SCCP, TCAP, TUP, and ISUP.
- Signaling endpoints in telephony networks, including service switching points (SSPs) that initially respond to calls and query service control points (SCPs), and signal transfer points (STPs) that relay SS7 messages between signaling endpoints and other STPs.
- Advanced services that INs can offer subscribers, such as toll-free calling, televoting, call screening, and local number portability.
- Technologies used in INs like
Wc unit1
The document provides an overview of the evolution of wireless telecommunication systems and networks from 1G to 4G. It discusses the key aspects of 1G cellular networks including AMPS (Advanced Mobile Phone System), the first commercial cellular network deployed in the United States. It describes the components and operations of AMPS including frequency bands, channel structure, call setup procedures for mobile originated and terminated calls, and signaling between the mobile station, base station, and mobile switching center. The document also briefly introduces 2G, 3G and 4G networks as later generations of cellular standards.
Technical Elements of the Public Switched Telephone Network
The document discusses the technical elements of the public switched telephone network (PSTN). It describes the four main elements: (1) customer premises equipment, (2) the access system consisting of the local loop and end office switch, (3) the transport core connecting switches, and (4) signaling systems. It provides details on how analog voice signals are converted to digital pulses for transmission through the network.
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U 4215 L Switching Signaling1 2
- 1. This Lesson is UNCLASSIFIED//FOUO
- 2. U-4205L Telephony Basics Part 1
- 13. X939 X243 X757 X912 X210 X312 X556 X404 4a 4b 4c 4d 4e 3a 3b 3c 3d 3e 3f 3g 2a 2b 2d 1a 2c 1b Class 1 Region Class 2 State Class 3 County Class 4 City Class 5 Local 850-939-1122 850-939-3344 850-243-5566 912-656-7788 210-756-1111 1c PBX 50 Users T1 24 Channels Company BGI HIEARCHARY SWITCHING International Gateway High Use Route High Use Route
- 15. 939 243 656 712 T T Class 4 Class 5 404 CLEC Intelligent Network Uses Switching Points To Access The Signaling Network Dynamic Non-Hiearchical Routing T PBX 50 Users T1 24 Channels Company BGI 850-939-1122 850-939-3344 850-243-5566 912-656-7788 SSP SSP SSP SSP SSP SSP SSP T SSP SSP International Gateway
- 19. Inter-register 1(R1) Signaling USA 300 Hz 3400 Hz Voice Band 2600 Hz 2000 Hz In Band Signaling Frequency HZ 1 700 + 900 2 700 + 1100 3 900 + 1100 4 700 + 1300 5 900 + 1300 6 1100 + 1300 7 700 + 1500 8 900 + 1500 9 1100 + 1500 10 (0) 1300 + 1500 Control Signal 1700 + 700 -1300 System Check 1900 Idle Line 2600
- 21. 300 Hz 3400 Hz Voice Band 2000 Hz 3825 Hz (CCITT) Inter-register 2 (R2) Signaling Asia/Europe Frequency HZ 1 700 + 900 2 700 + 1100 3 900 + 1100 4 700 + 1300 5 900 + 1300 6 1100 + 1300 7 700 + 1500 8 900 + 1500 9 1100 + 1500 10 (0) 1300 + 1500 Control Signal 1700 + 700 -1300 System Check 1900 Idle Line 2600
- 23. Intelligent Signaling Signaling System 7 SS7 Network 939 939 T SSP SSP SSP 850-939-1122 850-939-3344 Service Switching Point (SSP) Service Transfer Point (STP) Service Control Point (SCP) STP STP
- 24. Associated Signaling SSP SSP T1 Circuit Signal
- 25. Non-associated Signaling SSP SSP T3 Circuit Signal T1
- 26. Non-associated Signaling SSP SSP T3 Circuit Signal STP STP
- 30. SSP SSP SSP Central Office 850-939-XXXX LOCAL CALL Within an Area Code and LATA Central Office 850-243-XXXX TANDEM Non-Toll
- 31. LOCAL CALL SSP SSP SSP STP SCP PSTN IN/SS7
- 32. Simplified SS7
- 33. This Lesson is UNCLASSIFIED//FOUO
Editor's Notes
- UNCLASSIFIED//FOUO U-4205L Telephony Basics Part I UNCLASSIFIED//FOUO UNDERGRADUATE NETWORK WARFARE TRAINING COURSE HURLBURT FIELD, FL PART II TEACHING PLAN