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Zen Collaboration

Cisco Collaboration · Webex Calling

Senior UC engineering for the migrations that can't go wrong.

We design, automate, and deliver complex Cisco and Webex Calling migrations end to end — as a trusted subcontractor to systems integrators or directly for enterprise and public-sector teams.

Years in Cisco UC
21+
Successful UC project implementations/migrations
500+
Complex migrations from Cisco on-prem to Webex Calling
Multiple

Why us

Three things we bring to every engagement

Depth

We bring 21+ years in Cisco UC and cloud collaboration, with 500+ successful UC project implementations/migrations. We work as peers with the engineers on your side, not around them.

Scale

We deliver large migrations as part of your team, including multinational legacy PBX to Cisco UCM migration for a large multinational corporation. Our experience includes nine engagements through a delivery partner since 2016, across government, finance, education, and commercial sectors.

AI-forward delivery

We combine Python and Webex Calling API tooling with AI-assisted engineering — from number-inventory reconciliation and calling-feature migration to validation and documentation acceleration.

Services

What we deliver

All services
  • Webex Calling migrations (MT and Dedicated Instance)
  • CUCM, Unity Connection, CUBE and CER upgrades
  • Automation and AI-assisted engineering
  • HLD/LLD, MOPs, test and backout plans

Have a hard project on the schedule?

Tell us about the environment and the timeline. We'll tell you plainly how we'd approach it.