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SIP-T: Context and Architectures

SIP-T: Context and Architectures. Aparna Vemuri Jon Peterson Level ( 3 ) Communications. Introduction. Context and architectures for SIP-T (draft-vemuri-sip-t-context-00.txt) Roles and responsibilities of network entities Issues for consideration. Purpose. Feature transparency

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SIP-T: Context and Architectures

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  1. SIP-T: Context and Architectures Aparna Vemuri Jon Peterson Level (3) Communications

  2. Introduction • Context and architectures for SIP-T (draft-vemuri-sip-t-context-00.txt) • Roles and responsibilities of network entities • Issues for consideration

  3. Purpose Feature transparency • Encapsulation • Translation

  4. PSTN-IP Interconnections PSTN origination - PSTN termination (SIP bridging) • ingress MGC • perform encapsulation • perform translation • egress MGC • interpret body • generate ISUP

  5. PSTN-IP Interconnections PSTN origination - IP termination • MGC • perform encapsulation • perform translation • IP end-point • ignore ISUP

  6. PSTN-IP Interconnections IP origination - PSTN termination • IP end-point • originate SIP • MGC • generate ISUP

  7. Issues • SIP MIME type negotiation • “ISUP repetition” problem

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