VOIP allows cheap phone call , call conferencing , voice mail over the internet

1. VOIP Gateways NayomiRanamuka

3. Network gateway

4. What is a VOIP Gateway ?

5. VOIP Gateway protocols and codecs

6. How does a VOIP Gateway work?

7. Convergence with VOIP Gateway

8. Types of VOIP Gateway

9. Media Gateway Controller

10. Signaling Gateway

11. Factors to purchase a gateway

12. Standard VoIP gateway Configurations

13. Examples of VOIP gateways

14. SummaryVOIP Gateway 3

16. Understanding the role VoIP gateway is very importantVOIP Gateway 3

20. Ip network could be Internet or dedicated intranetVOIP Gateway 5

22. A gateway links two systems that do not use the same:

23. Communication protocols , Languages

24. Data formatting structures , Architecture

25. It can be implemented in software, hardware, or as a combination of both Ex:- Electronic mail gateways(X.400 gateway) receive messages in one format, and then translate it and forward in X.400 format used by the receiver, and vice versa. VOIP Gateway 6

27. This device converts voice and fax calls, in real time, between the public switched telephone network (PSTN) and an IPnetwork

28. The primary functions of a VoIP gateway include

29. voice and fax compression/decompression

30. packetization

31. call routing

32. control signaling VOIP Gateway 7

37. GSM – 13 Kbps

38. iLBC – 15 Kbps

39. G .711– 64 Kbps

40. G. 722 – 4 8 / 56 / 64 Kbps

41. G. 726 - 16 / 24 / 32 / 40 Kbps

42. G. 728 - 16 Kbps

43. G. 729 - 8 Kbps VOIP Gateway 10

45. Most common VoIP protocols

47. H.323 – an older VoIP protocol But is no longer widely used and or supported both MGCP & H.323 VOIP Gateway 11

50. VoIP gateway convert analog voice signal into a digital signal

51. This digital signal is then compressed using a codec

52. Then broken into a series of packets to transfer across the IP network using a signaling protocol PSTN IP Voice VOIPGateway Protocol conversion Voice compression Packetization IP Network PBX:- a private telephone network used within an enterprise PBX VOIP Gateway 13

54. VoIP gateway decompress the digital packets into a digital signal

55. Then converted into an analog signal to be sent across the PSTN PSTN IP Voice IP Network VOIPGateway Protocol conversion Voice decompression PBX VOIP Gateway 14

58. Analog gateway

59. Digital gateway

60. Analog Gateway

64. Analog and digital gateways both do the same thing

65. The difference between an analog and a digital VoIP gateway are the interfaces uses to connect to various solution components PSTN PSTN VoIP Gateway IP Voice IP Network Ethernet PPP Frame Relay ATM PBX PBX VOIP Gateway 18

69. Coverged network VOIP Gateway 21

72. Gateway must support the protocol used by your network's VoIP system

73. Compatibility

74. Should have compatible ports with those on your private branch exchange (PBX) equipment.

75. Cost

76. Price depend on type, brand, features, and capacity.

77. You want the best VoIP gateway solution that fits your budget and meets your needs. VOIP Gateway 22

79. 4 port

80. 8 port

81. 16 port

82. 24 port

83. 48 port

84. Digital gateways :-

85. 1T1, 2T1, 4T1

86. 1E1, 2E1, 4E1

87. 1BRI, 2BRI, 4BRI VOIP Gateway 23

89. Provides traditional, advanced, and wireless VoIP gateways designed to work with broadband Internet connections.

90. Mediatrix

91. Can connect to traditional PBX systems as well as IP PBX, with both analog and digital gateways VOIP Gateway 24

93. Provide VoIP-to-GSM gateways

94. Hypermedia

95. Offers the CDMA Gateway Series for connecting IP PBX devices with CMDA cellular networks. VOIP Gateway 25

97. The Cisco AS5300 is an dialup remote access server and voice-over-IP (VoIP) gateway.

98. When equipped with voice feature cards (VFCs) and voice-enabled Cisco IOS® software, the AS5300 supports carrier-class VoIP and fax over IP services VOIP Gateway 26

100. Network gateway is a network point that acts as an entrance to another network

101. VOIP Gateway act as conversion interface between PSTN and an IP network

102. You should have a knowledge in the area of protocols and codecs

103. Two main types of gateways are analog gateway & digital gateway

104. A media gateway controller is called as call agent, call controller, or softswitch.

105. Signaling gateway converts control signals from one format to another

106. Factors to purchase a gateway are call load, voip protocol support, compatibility & cost VOIP Gateway 27

108. www.voipsupply.com

109. www.voip-info.org

110. www.roseindia.net

111. www.3cx.com VOIP Gateway 28

112. Any Questions ? VOIP Gateway 29

113. Thank You….. VOIP Gateway 30