Measuring Delay
Jitter and Packet Loss
General VoIP Acceptance Criteria
QoS across all Networks
802.1Q – VLANs
802.1Q/P Tagging
802.1P - L2 Classification
TOS and DiffServe
Layer 3 Classification
DSCP with Assured forwarding (AF)
Bandwidth decisions
Link options – Symmetric DSL (SDSL)
Bandwidth (kbps) vs. Packet per Second (pps)
Network Behavior Analysis
Issues that can affect QoS
SIP trunking
SIP, SDP and VoIP
SIP in the TCP/IP Model
SIP and SDP Messages (e.g. Invite and 200OK)
SIP and SDP Codec mapping
Video over IP
What is Video over IP?
Streaming Voice and Video – 1 Way Transmission
Two-way Conferencing with RTP
Codec and Bandwidth Considerations
Video bitrate Calculator
Setting Video Codecs on Devices
Audio and Video in the SDP body
Assured SIP Services
Assured SIP intro
Service Provider Architecture
Proxy and Access Router functions
Resource-Priority
Video ‘example’
Reason Header for Pre-emption Events
More Proxy details
Multi-Level Pre-emption and Precedence (MLPP)
Part 5:SIP Security
Authentication and Authorization
SIP Proxy Authentication
401 and 407 Authorization
SIP Authorization
PROXY Authentication
SSL with MD5 Cracked!
MD5 v SHA
Encryption
Why Encrypt SIP?
Certificates and HTTPS
Certificate Authorities
Certificate Example
Self-Signed Certificates
Format type
Securing SIP and VoIP
SSL and TLS
SIP and TLS
TLS Thoughts
TLS and SIP in Action
SIPS and SIP Addressing
Secure RTP (SRTP)
Setting SRTP on SIP Devices
Secure RTP (SRTP) - Example
SRTP and SRTCP
sdes and the Crypto attribute
Crypto attribute example
SRTP Call example ‘showing’ Crypto
SRTP with ZRTP
RFC 4474 for Caller Identity
Caller Identity
DTLS/SRTP
Ongoing developments for Identity
S/MIME and SIP
MIME and ISUP
SIP Trunking and Security
Enhancing SIP Trunk Security
Attacks and Responses
Types of Attack on a VoIP/SIP Network
Responses and Protection
(责任编辑:李俊勇)