Thank you for sending your enquiry! One of our team members will contact you shortly.
Thank you for sending your booking! One of our team members will contact you shortly.
コース概要
Objectives:
- Explain the operation of circuit switched networks.
- Contrast the differences between circuit switched and packet switched networks.
- Explain the fields and flags within the IP header – including the new DSCP field.
- Explain and quantify the need for voice compression and delay in an IP network.
- Identify the CODEC’s used in voice and video compression – e.g. G711, G729 and H261/3/4.
- Identify and explain the fields of the Real Time Transport Protocol and Real Time Control Protocol – including carrying DTMF tones.
- Calculate bandwidth requirements for various voice compression algorithms.
- Explain and demonstrate the need for security and encryption within VoIP.
- Describe and explain the H.323 protocol stack.
- Describe and explain call setup and signalling (H.225).
- Describe and explain H.245, fast start and tunnelling of H245.
- Describe and explain SIP call setup.
- Describe and explain SIP Servers.
- Describe and explain SDP.
- Describe and explain Soft Switching – including MGCP and H248.
- Describe and explain the use of SCTP in backhauling signalling messages.
- Describe and explain the importance of network delay and the need for QoS in the network.
- Describe and explain the differences between reservation and prioritisation QoS in an IP Network.
- Describe the use of IntServ and RSVP in QoS.
- Describe the use of TOS and DiffServ in QoS.
- Describe and explain the need for multiple queues and intelligent scheduling of packets at router/switch interfaces.
- Describe the use of MPLS to deliver QoS in the WAN environment.
- Describe the use of VLAN’s to deliver QoS in the LAN environment.
Practical Exercises:
- Lab Exercise 1: Practical VoIP in the LAN.
- Lab Exercise 2: Build IP network, make calls and examine RTP packets using Wireshark.
- Lab Exercise 3: Make calls and examine SIP Packets using Wireshark.
- Lab Exercise 4: Make calls and examine H323 Packets using Wireshark.
- Lab Exercise 5: Calls between PSTN and IP Networks.
- Lab Exercise 6: Configure QoS and make calls to examine effects.
- Lab Exercise 7: Security and VoIP.
Equipment used in Practical Sessions:
- Cisco 2600 series and 2800 series voice capable routers and Cisco ASA 5505 Firewalls. IP Telephones, softphones and analogue telephones as required. SIP client and server software as required.
要求
- It is assumed the delegates will have a working knowledge of TCP/IP.
21 時間
お客様の声 (2)
His huge amount of knowledge.
Mirela Ochia - Deutsche Telekom Pan-Net Romania S.R.L.
コース - Practical SIP Telephony
Hands on and setup were nicely done and practical knowledge thoroughly imparted. Trainer was really helpful throughout.
