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