Brief description of SIP/SCCP, RTP protocols and the way they work, introduction to dial-peers and HWIC Interfaces, basic PLAR setup.
Cisco SIP SCCP RTP FXO FXS Dial-Peers PLAR

Brief description of SIP/SCCP, RTP protocols and the way they work, introduction to dial-peers and HWIC Interfaces, basic PLAR setup.