BT Cloud Voice Express

Cloud Voice Express portal is a SaaS web base application that provides VOIP phones service for to BT customers. The app allows users to take their phone line anywhere.
I worked on all the UI and took over UX for the project.



Unique users

1 million

Weekly calls


Increase in call numbers


Increase in app usage

Design toolkit

Axure Sketch Invision Photoshop

Business proposition and product design

The first task was to understand what the business wants and any specific requirements they must have. Then based on the information gathered and tech feasibility, map out and design a service structure that fits every criteria.

Business proposition

(Business proposition: Identifying what it is that we are selling and how customers can access the information.)

Service design

(Service design: Constructing the structure of the cloud-based product.)

With the underlying structure of the system mapped out. We set off designing the UX flow and UI for the portal, using Axure to prototype the conditional logic and errors.
(Note. best viewed on desktop, font may not match due to custom font)

Cloud Voice UX flow

(Device management user flow: Mapping out the exact journey that our customers would experience .)

(Hardware & software requirement: Highlighting product requirement & limiation upfront to avoid complication during build.)

(Product mockup: High level overview of product functionality.)

(Hi-fi wirefream: Detailed UI designs.)

Cloud Voice Express App

The app pairs with Cloud Voice Express portal to offer VOIP landline on the go.
Below are screen flow and UI designs for the mobile application.