Lisa Bock reviews Session Initiation Protocol, an application layer protocol for signaling and control that establishes, maintains, and terminates sessions between parties.
- [Instructor] Session initiation protocol, or SIP,…is an application layer protocol for signaling…and control that establishes, maintains,…and terminates sessions between parties…over the internet, private networks, and cell systems.…SIP is the most common signaling protocol…used in VoIP today.…As a result, manufacturers are incorporating SIP…into various products, such as phones, proxies,…gateways, and servers.…
SIP sessions may involve one or more media streams…such as voice and video and includes videoconferencing,…IM, gaming, and shared multimedia.…For a call to take place, we have to establish,…manage, and terminate.…SIP sends an invite, which is sent…to set up a VoIP call.…An invite has a session description…that allows participants to agree on the parameters…of the call, such as media channels and codecs.…
In this invite, we see the request line tells me…that this is SIP version 2.0 invite,…which is sent to sip:Cleo@Patra.net,…and other information such as from…and the caller's location.…Within that invite there's also…
- Voice over IP (VoIP) and Unified Communications
- Digitizing a signal
- VoIP components
- Protocols used by VoIP, including TCP/IP and DHCP
- Connecting systems
- Gateways and gatekeepers
- Factors that might affect quality on a VoIP network
- Wireshark statistics
Skill Level Advanced
Wireshark: Advanced Tools and Techniqueswith Lisa Bock1h 49m Intermediate
Learning VoIP and Unified Communicationswith Lisa Bock1h 8m Intermediate
What you need to know4m 11s
1. VoIP Overview
3. Connecting Systems
4. Network Operations
5. Wireshark Statistics
Next steps1m 25s
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