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Top-Ups to New SIMs: Self-Service Retail at Scale

The telco store still matters, but how work gets done inside it is changing

Telco stores remain a critical touchpoint for customers, especially when they want certainty, speed, or face-to-face support. However, a large share of in-store traffic today consists of routine, repeatable transactions — bill payments, top-ups, SIM replacements, and standard service requests — journeys that don’t always require a staffed counter or long wait times.

The opportunity isn’t to replace the store, but to modernise it: shift everyday journeys to self-service, reduce pressure on staff, and allow store teams to focus on higher-value interactions and complex cases.

At MWC Barcelona, 2nd to 5th March 2026, we’re showcasing a self-service telco retail experience that brings the majority of what customers typically do in a store directly onto the kiosk.

This year, wavetec is unveiling how telecom operators can shift high-volume in-store journeys – including SIM activation, top-ups, bill payments, and service requests – to a fully governed self-service ecosystem operating live at the Rakuten Symphony booth (Hall 2, Stand 2C70).

A telco store in self-service: journeys we’re showcasing

Rather than focusing on a single demo flow, we’re showcasing a variety of real customer journeys that reflect actual branch traffic.

Everyday retail journeys

  • New SIM purchase/activation initiation
  • SIM replacement / SIM swap
  • Top-up/recharge
  • Bill payment
  • Plan selection and add-ons (where applicable)

Device journeys

  • Browse and order a new phone (order-only or order + payment)
  • Accessories and add-ons (optional)
  • Order confirmation and next steps (pickup, delivery, assisted activation)

Service journeys

  • Guided service selection to route customers quickly
  • QR handoff to continue on mobile or with an agent if required

At MWC Barcelona 2026, we’re showcasing two core onboarding and service models:

  • End-to-End Kiosk Journey: Customers complete SIM activation or service requests directly at the kiosk  – from information capture to payment and confirmation — in a single guided flow.
  • Mobile-to-Kiosk Hybrid Journey: Customers begin onboarding on their mobile device with pre-filled KYC data, generate a secure QR code, and seamlessly continue the journey at the kiosk for verification, payment, and completion.
    customer journey       

Behind the scenes: the technology powering the kiosk

This is not a standalone device demo. The kiosk operates as a fully governed retail channel, backed by a scalable ecosystem.

  • Architecture: Channel apps (kiosk/web/mobile) → Middleware/API layer → Telco back-end systems
  • Integration model: REST APIs supporting cloud and on-prem deployments
  • Deployment controls: remote provisioning, OTA updates, staged releases, rollback, and configuration templates
  • Operations layer: live dashboards, device health monitoring, inventory and refill workflows

architecture

Designed for customers: fast, guided, and consistent

From a customer’s perspective, great self-service is simple: clear steps, minimal friction, and fast completion.

Our approach focuses on:

  • guided journeys that reduce decision fatigue
  • consistent UX across branches
  • minimal dependency on staff intervention
  • support for accessibility and multilingual requirements
    UI Collage 1 1
    Guided self-service journeys from start to confirmation

The kiosk is just the surface — the ecosystem is what scales

To move beyond pilots, kiosks must behave like any other digital channel: integrated, monitored, and adaptable.

Middleware-based ecosystem built for telco integration

Our deployments use a custom middleware solution that enables backward compatibility with legacy systems and flexibility as APIs evolve.

This layer provides:

  • journey orchestration for services such as new SIM, SIM replacement, bill payment, and device ordering
  • API abstraction so kiosks integrate to a single layer
  • reusable services including authentication, payment initiation, receipts, auditing, and operational events

The platform can integrate with enterprise and telecom systems including Oracle NetSuite, Oracle Communications BRM/BSS, Amdocs, Netcracker, and other operator-specific CRM, billing, charging, inventory, and order management platforms.

Build with us — or build it yourself

Operators can choose how much ownership they want.

  • End-to-end delivery: we design, build, integrate, deploy, and operate
  • Operator-owned frontend: build your own UX using our open SDK
  • Hybrid models: shared responsibility across journeys

Platform and SDK capabilities

  • Support for Flutter, Linux, and Windows applications
  • Open SDK with full customization, using modern JavaScript
  • Starter code and pre-built templates
  • 3-tier architecture with separate Production and Staging environments
  • High Availability design
  • Broad hardware compatibility with third-party/OEM kiosks and peripherals (cash acceptors, KYC devices, scanners, printers, etc.)
  • Near-zero perceived latency with real-time processing
  • Full server-side monitoring for performance, diagnostics, and uptime optimisation
    Flexible ownership with SDK-driven development

Live operations: dashboards, monitoring, inventory

Scaling self-service requires strong operational visibility.

Dashboards and analytics

The platform supports dashboards for:

  • operations and fleet status
  • dynamic inventory management
  • agent management and performance
  • sales and service analytics
  • user journey insights and drop-off points

It also supports real-time dashboards, BI tools, and report extraction covering:

  • sales and service data
  • inventory maintenance and trip management
  • machine, API, and server health 

Operational visibility across the kiosk fleet.

Alerts and maintenance

Real-time alerts include:

  • inventory thresholds
  • maintenance requirements
  • health and fault notifications
  • operational alerts routed directly to ops teams

Inventory and refills

Inventory servicing can be handled either by the operator’s team or by our team/partners, depending on the agreed operating model.

Security and compliance built for telco retail

Self-service kiosks handle real customer transactions and must meet enterprise security expectations.

  • Device security: Windows-based kiosk environments, locked-down modes, staged updates with rollback
  • Data security: encrypted transport using modern TLS protocols
  • Access control: OAuth2, mTLS, API keys, or SSO for admin portals
  • RBAC: role-based access for dashboards, configuration, and inventory
  • Audit logs: machine access, administrative actions, and operational events, with configurable granularity
  • Payments: tokenisation and gateway-based processing to minimise PCI exposure
  • Physical security: locks, tamper detection, and secure compartments (when cash modules are used)
  • Certifications: Giteki, FCC, CE, PSE (market dependent)

Security layers across device, data, and operations.

Support model: 24/7 support + on-ground support when needed

Self-service isn’t “install and walk away.” Real outcomes require real support.

Our model can include:

  • 24/7 remote support with escalation paths
  • on-ground support where required (direct or partner network)
  • preventative maintenance planning and spares strategy

SLAs are customisable and defined jointly with the client based on service hours, geography, deployment size, and criticality.

Real-world experience: Du and Rakuten

Du (UAE) — self-service retail at scale

At du, kiosks currently provide more than 10 customer journeys, covering a wide range of everyday telco services.

The operational impact is significant. Services that typically take 30–40 minutes at a staffed counter are completed on the kiosk in approximately 2–4 minutes, representing more than a 13× reduction in transaction time.

Customer satisfaction has been consistently strong, with feedback above 88% overall, and certain journeys achieving satisfaction levels of up to 98%, depending on the service. Watch it here.

Rakuten — compact, multi-journey retail experiences

Together with Rakuten, we are showcasing a joint booth and a new kiosk design optimised for the Japanese market — and other regions where space constraints are a factor, such as parts of Europe and East Asia.

Rakuten 1 Rakuten 2

What telcos measure: adoption, time saved, cost-to-serve

In one deployment, approximately 80% of bill payment, top-up, and SIM replacement transactions shifted to kiosks.

Those same journeys, which traditionally take 30–40 minutes at the counter, are completed in 2–4 minutes on the kiosk — a 13× or greater reduction in transaction time.

This results in:

  • high kiosk adoption for routine services
  • substantial reductions in staff time spent on repeatable transactions
  • the ability to redeploy staff toward assisted sales and complex services
  • consistently high customer satisfaction (above 88%)

Actual staffing impact depends on branch size, operating model, and peak-hour demand, but the time efficiency gains alone materially reduce cost-to-serve.

See it live at MWC Barcelona

Experience a working self-service telco store — multiple journeys, live dashboards, and the full ecosystem behind the kiosk.

Location:  Fira Gran Via, Symphony booth (Hall 2, Stand 2C70)
Dates: 2nd to 5th March, 2026
 

 

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