SIP review
Signalling, media, RTP, SIP, peer to peer, SIP proxies, SIP call flows.
Hands on: SIP packet analysis.
Session Border Controllers
What is a SBC? SBC features, peering scenario, access scenario, NNI SBC, UNI SBC, enterprise SBC.
Hands on: SBC call flows
SBC topology hiding
Header privacy, B2BUA.
Hands on: Header analysis.
Session control
Call admissions, QoS, statistics and billing, redundancy and scalability.
Hands on: SBC session control
SBC and NAT
NAT traversal, STUN, ICE, NAT and SIP, NAT and RTP.
Hands on: SBC and NAT traversal.
SBC and security
DoS, access control, encryption, authentication, toll fraud, regulatory issues, lawful intercept.
Hands on: Security.
Interoperability mediation
Manipulating SIP headers, IMS, IETF, TISPAN, SIP-I. SBC interworking.