osum.tech
Managed IT

Asterisk PBX & Dial-Plan Engineering, Delivered Worldwide

On-premise or hosted Asterisk PBX deployment and dial-plan engineering for teams that need a full phone system — not just a trunk. Extensions, IVRs, call routing and campaign-aware dial plans, configured by engineers who run Asterisk in production.

What’s included

  • Asterisk PBX deployment — on-premise or hosted
  • Custom dial-plan design and IVR configuration
  • Extension, queue and call-routing setup
  • Built for teams running campaigns across time zones

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