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NEC Pre-SPIRITS ICW Implementation

NEC Pre-SPIRITS ICW Implementation. NEC Implementation. for. ICW Service. (NEC Contribution on pre-SPIRITS ICW Implementation) (../internet-drafts/draft-ago-spirits-icw-00.txt). NEC Pre-SPIRITS ICW DRAFT.

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NEC Pre-SPIRITS ICW Implementation

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  1. NEC Pre-SPIRITS ICW Implementation NEC Implementation for ICW Service (NEC Contribution on pre-SPIRITS ICW Implementation) (../internet-drafts/draft-ago-spirits-icw-00.txt) NEC

  2. NEC Pre-SPIRITS ICW DRAFT A contribution to the future Informational RFC planned by the SPIRITS WG and follows the suggested outline An architecture that includes a SPIRITS server and a SPIRITS client, which in association with the PSTN and the IN offer the ICW service SCP - SPIRITS Server Interface is as defined in RFC 768, RFC 1122. The remote operation messages are based on ITU-T Q.1228 with some NEC proprietary extensions. SPRITS server - Client interface is via a secured reliable Hybrid Datagram Session Protocol (SRHDSP). NEC

  3. Internet Call Waiting (ICW) Solution WWW UDP/IP ICW Messages SPIRITS SERVER ICW Pop-up Window ISP Arrival Time Ans UDP/IP ISP Traffic Name Ignore Number F/W VM NEC Intelligent Network SCP SSP PSTN Call Control Messages & Modem IP NET ICWC Calling Subscriber Called Internet Customer NEC

  4. Architecture & Overall Call Flow Internet (P2) UDP/IP (P1) SS W3S ISP Internet PSTN/IN ISP Traffic INAP (P0) (P3) SCP SSP (P4) (P1) ICWC CO Modem (P2) PSTN Legend ICWS Calling party Interfaces Traffic ICWC : ICW Client SS : SPIRITS Server ISP : Internet Service Provider W3S : WWW Server SCP : Service Control Point SSP : Service Switching Point CO : Central Office P0: SS - SCP Interface P1: IWASP - ICWC Interface P2: ICWC - W3S Interface P3: SCP-SSP Interface P4: SSP-CO Interface _____ PSTN voice traffic ===== PPP (IP Traffic) - - - - - Signaling Traffic NEC

  5. CONCLUSION • The architecture described in this ID includes the building blocks - SPIRITS Server, SPIRITS Client and the PSTN/IN requesting system and an initial service (ICW) planned for the "Services in the PSTN/IN Requesting InTernet Service (SPIRITS)". • NEC offers to participate in SPIRITS future informational RFC development. NEC

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