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Number masking

Proxy numbers that hide both parties on a call or SMS — not a DID catalog to browse.

3 guides in this topic

  • Premature Proxy Recycling Is a System Failure, Not a Speed Metric

    Recycled proxy numbers assigned without cooldown leak inbound SMS and corrupt active sessions. Learn how IOSOR enforces JIT holds and dirty state pauses.

  • Masking Session TTL and the Prepaid Hold

    Learn how IOSOR manages masking session TTL with prepaid hold-and-release mechanics instead of fixed monthly rental fees for temporary proxy numbers.

  • Proxy Numbers vs DID Shop Catalog in Masking Architecture

    Learn how session-based proxy number masking hides identity dynamically without static DID catalog inventory or catalog browsing in IOSOR CPaaS.

Adjacent topics

  • Who IOSOR is for
  • Voice

Not this hub: Numbers / DID

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