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Sprint has established a Partner Interexchange Network (PIN) to provide business-to-business wholesale exchange of voice traffic. The Sprint PIN service sets up a community of partners who can directly exchange VoIP service between themselves while operating on Sprint's global Tier 1 IP network. Because there is a direct exchange between partners, access termination fees and LEC tandem fees can be lowered or eliminated.
Sprint said its Partner Interexchange Network will allow direct exchange between voice network operator partners using VoIP on the international Sprint IP network. Using a switchless routing framework based on Session Initiation Protocol (SIP), minutes that cross the PIN architecture are charged at a lower rate than traditional PSTN networks and drive down transport costs.
http://www.sprint.com
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