Packet Guide to Voice over IP pot
... previous Packet Guide books (O’Reilly’s Packet Guide to Core Network Protocols and the Packet Guide to Routing and Switching), the tool of choice for viewing ix www.it-ebooks.info the packets ... 1 Introduction to Voice over the Internet Protocol Several years ago, most of the writing about Voice over IP (VoIP) was about how im‐ portant it was going to be, what p...
Ngày tải lên: 24/03/2014, 01:21
... used to describe the audio path. In IP networks, it is common and normal for packet loss to occur. In fact, Transmission Control Protocol/Internet Protocol (TCP /IP) was built to utilize packet ... Datagram Protocol (UDP) /IP header to provide timestamping . RTP runs atop UDP and IP and is commonly noted as RTP/UDP /IP. RTP is currently the cornerstone for carrying real-t...
Ngày tải lên: 30/09/2013, 05:20
... 665 xxvii www.it-ebooks.info ptg Monitoring Cisco AutoQoS VoIP 666 Monitoring Cisco AutoQoS VoIP: Routers 666 Monitoring Cisco AutoQoS VoIP: Switches 667 Automation with Cisco AutoQoS VoIP 668 Cisco AutoQoS for the Enterprise ... 657 Monitoring LLQ 658 Calculating Bandwidth for LLQ 659 Introduction to Cisco AutoQoS 661 Cisco AutoQoS VoIP 661 Cisco AutoQoS VoIP Functions 662 Cisco AutoQoS Vo...
Ngày tải lên: 17/03/2014, 19:20
Thoại trên mạng VOI IP (voice over IP - VOIP)
... mạng IP (voice over IP - VOIP) (Nhóm nghiên cứu: Voice Over IP Hớng dẫn: ThS. Nguyễn Tô Đông Thực hiện : Kim Thanh Tùng -Lơng Ngọc Tuấn ĐT2-K41) Truyền thông trên các mạng chuyển mạch gói nh IP, ... thiệu ngôn ngữ mô phỏng phần cứng VHDL Nguyên lý của kỹ thuật OFDM Thoại trên mạng IP (Voice over IP- VOIP) Khuếch đại quang sợi pha tạp Pr (PDFA), Nd (NDFA) cho b ớc...
Ngày tải lên: 31/08/2012, 10:00
Cisco Press 2000 - Voice over IP Fundamentals
... IP addressing, it does not explain how a router knows where to send an IP packet. This is discussed in the next section. Routing Protocols IP is a routed protocol. A routed protocol is a packet ... various transport layer protocols, you must first understand what makes up an IP packet. Figure 7-4 shows the fields of the IP packet. Figure 7-4. IP Packet Fields IP...
Ngày tải lên: 14/09/2012, 11:42
Implementing Voice Over IP
... desktop devices with native support of TCP /IP (transmission control protocol/Internet protocol) and UDP /IP- based (user datagram protocol/Internet protocol-based) access. UDP is commonly used to ... routed over di¤erent sets of IP addresses to guarantee the required quality of service; and d. Deployment of IP version 6 (IPv6, IETF’s RFC 2460/1883) or IP version 4 (IPv4, IETF’s...
Ngày tải lên: 15/09/2012, 10:04
Tìm hiểu VOICE OVER IP
... 19 [VOICE OVER IP] CH NG I: T NG QUAN V VOIPƯƠ Ổ Ề 1. Gi i thi u chung v VoIP.ớ ệ ề Voice over Internet Protocol (VoIP) là m t công ngh cho phép truy n tho iộ ệ ề ạ s d ng giao th c m ng IP, ... ẩ ứ ướ ư Page 14 [VOICE OVER IP] 3.2 B giao th c ộ ứ SIP. SIP: (Session Initiation Protocol) đ c phát tri n b i IETF ( Internetượ ể ở Engineering Task Force) MMUSIC ( Multiparty Mul...
Ngày tải lên: 09/10/2012, 16:40
Voice over IP Applications and Services
... session target ipv4:192.168.102.2 ! dial-peer voice 2 voip description "calls to Denver office" destination-pattern 5…. ! dial-peer voice 3 voip description "calls to IP Phones ... VoIP dial-peer to complete the call. ! session target ipv4:192.168.103.2 ! voice- port 1/0:3 connection trunk 999 ! dial-peer voice 1 voip description "trunk/opx c...
Ngày tải lên: 30/09/2013, 05:20
Voice over IP Benefits and Applications
... II: Voice over IP Technology Chapter 6 Voice over IP Benefits and Applications Chapter 7 IP Tutorial Chapter 8 VoIP: An In-Depth Analysis Chapter 9 Quality of Service Chapter 6. Voice over ... the IP phone. The IP phone simply has to send out a DHCP request when it's plugged into an IP network. The DHCP response includes the IP address that the IP...
Ngày tải lên: 30/09/2013, 05:20
Voice over IP Configuration Issues
... Part IV: Voice over IP Applied Chapter 14 Voice over IP Configuration Issues Chapter 15 Voice over IP Applications and Services Chapter 14. Voice over IP Configuration Issues ... Dual-Tone Multi-Frequency (DTMF) tones as they traverse the Internet Protocol (IP) network if you use inappropriate encodings. Coding a voice stream—carried over a Real-Time Transpor...
Ngày tải lên: 30/09/2013, 05:20