Calculator that will take results from Erlang calculator and plug them into various CODECs (which result in different compression ratios) and calculate bandwidth consumption on VoIP network.
Calculator that will take results from Erlang and VoIP calculators and show economic savings of VoIP network compared to traditional TDM network.
Calculator that will compute total end-to-end delay based on CODEC used, backbone transport chosen, distance between POPs, and other variables.
White paper on QoS across a VoIP network (WFQ, WRED, RSVP, MPLS, and ATM CoS).
White paper contrasting MPLS over POS and MPLS over ATM for backbone QoS transport.
White paper on Network Management of a VoIP QoS network (active and passive agents, SNMP polling linked to auto LCR, SS7 over IP and LCR).
