SOLUTION

PBX Migration & Modernization

Keep the numbers and the workflows. Replace the box, the chan_sip stack or the suite you cannot extend.

Keep the DIDsParallel runPJSIPCloud / VPCOptional AIRollback

This is the outcome for teams who already have a phone system and need it off the appliance, off chan_sip, or off a suite they cannot change. Services supply the engines. This page is the job: move production without losing the DID.

2026 buying brief

Who this is for

IT and operations who cannot buy another hardware IPPBX and cannot freeze the current vendor for five years.

What you get

A written move plan, a parallel SIP path and a cut that can roll back.

Searches this page answers

Replace hardware PBX, migrate to hosted PBX, office phone system modernization.

Solution architecture

Outcome: the number still rings
Business jobKeep calling · drop the box
Numbers & carriersDID, CLI, failover
Call controlNew PBX · PJSIP
ExperienceSame hours / IVR / queues
RecordCRM still written
If a box is missing on cut-over day, you migrated a demo.

Success looks like

Same DIDs

Inbound reputation does not reset because someone ‘got a new number’.

Same humans

Reception, hunt, voicemail — then extras.

Inspectable core

Software PBX you can SSH, not another locked appliance.

A next plane

WebRTC, SaaS tenancy or AI voice when the path is stable.

FAQ

Questions buyers and AI search engines ask

Cloud PBX is the target product. This solution is the journey: inventory, dual-run, cut-over and the week after. Most buyers need both pages.

They notice a missed cut. They should not notice a well-run parallel week. Reception and hunt groups are the acceptance test, not a ping.

After the new path answers the old tree. Do not migrate and ‘also launch the agent’ on the same Sunday.

Number list, trunk contracts, a sample pcap or call recording policy, and who owns the current box. A brochure PDF of the old IPPBX is optional.

Need this built?

Send the current architecture, call volume, carriers and the workflow you need to automate or productize. Discovery can start from a broken PBX or a blank product brief.

Discuss Your Project hello@unifiedpbx.in
Related
Migration engineering →Cloud PBX →Asterisk →Why hardware IPPBX ages out →

Architecture first. Then production.

A practical technical discussion focused on SIP, media, tenants, AI and the delivery path — not a generic sales deck.