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TDM-to-SIP
Transformation-as-a-Service
46 Labs’ TDM-to-SIP services provides a true, seamless transformation through a fully-managed protocol interworking and media gateway service.

Converting legacy TDM-based voice connectivity into SIP/IP communications — delivered as an operational service instead of capital infrastructure. Designed to support industry TDM sunset initiatives while preserving legacy customer connectivity.
tdm-to-sip
transformation
Capabilities
  • Converts TDM signaling and media into SIP/IP traffic
  • Supports SS7, PRI, CAS, and other legacy signaling methods
  • Extends the life of legacy PBX and switching infrastructure
  • Enables phased migration from circuit-switched to IP-based networks
  • Eliminates customer need to deploy or maintain TDM gateway hardware
  • Supports hybrid TDM/IP network environments
  • Enables IP service delivery into TDM-only environments
TDM-to-SIP Transformation
Use Cases
Managed Service
Providers (MSPs)
• Supporting enterprise customers still running TDM PBXs
• Delivering SIP services without forcing customer equipment upgrades
CLECs & CSPs
• Maintaining legacy customer connectivity during migration
• Avoiding capital investment in aging TDM switching platforms
Enterprise UC
Providers
• Local market reach and interconnection redundancy
• Supplemental routing and overflow handling
Rural & Remote
Operators
• Delivering SIP services where only TDM access is available
• Supporting interconnect partners still using TDM infrastructure
TDM-to-SIP Transformation
includes
Service Delivery Model
  • Fully managed gateway and signaling infrastructure
  • High-availability redundant deployments
  • Elastic capacity scaling
  • Performance monitoring and call quality analytics
  • Regulatory and industry compliance support
Gateway & Signaling Platform
  • Carrier-grade media gateway infrastructure
  • SS7 signaling gateways and protocol normalization
  • SIP session border control and interworking
  • Centralized gateway orchestration and monitoring
Supported Interfaces
  • PRI / ISDN connectivity
  • SS7 / SIGTRAN interworking
  • CAS signaling conversion
  • SIP trunking delivery to customer networks
  • IP transport over MPLS, DIA, or private interconnect
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