STi Long Distance Voice Services

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STi Wholesale offers voice termination services to international carriers around the world. STi Wholesale uses the high-quality, low-cost infrastructure of its retail business, and operates on multiple platforms.

  • Traditional TDM (time-division multiplexing).
  • Voice Over IP (VOIP) platform.

Carriers interested in purchasing voice termination services should contact STi Wholesale at carrier-sales@stiprepaid.com.

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