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Layer 8 issues ( Economic)
We all know voice is a “bucket of bits” but …
Voice communications is becoming a Transit-Peering model vs reciprocal compensation.
Transit for Voice is a well understood business model..peering for voice is not.
Service providers going to all IP – SIP core networks.
Default PSTN routing for SIP to SIP session routing by service providers is not economically sustainable.
Goal IP end to end service/application delivery.


PPT Version