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Examples of CMSS Use Cases Why we need PacketCable CMSS [or something like it] Intra-domain, Inter-zoneOne administrative domain with multiple CMSes or SIP servers Scenario-1.1: Flat-rate on-net call Scenario-1.2: Call trace with number privacy Scenario-1.3: Measured rate call SIP carrier-to-PSTNOne administrative domain, CMS “on-net” ? MGC off-net Scenario-2.1: Carrier selection: caller dials CIC Scenario-2.2: Called number ported Scenario-2.3: E911 with Privacy Inter-SIP carriers (‘trusted’)Multiple administrative domains Scenario-3.1: Measured rate call Inter-SIP carriers (‘non-trusted’) Scenario-4.1: Caller dials CIC & ported number Scenario-4.2: E911 SIP ApplicationsVoicemails, etc. Scenario-5.1: Visual MWI Scenario-5.2: 3-way conference

PPT Version