42nd GSC Forum
All Carriers Welcome
1–3 June 2026 – Vienna, Austria
Last updated: 6 May 2026
Day 1 Monday 1 June – Half Day Meeting (Meet for Lunch @ Noon)
Day 2 Tuesday 2 June – Full Day Meeting
Day 2 Tuesday 2 June – Group Dinner Jointly Sponsored by A1 & GSC
Day 3 Wednesday 3 June – Full Day Meeting
Day 1 – Monday 1 June
Free Time for Delegates Bilateral Meetings
Light Lunch
Welcome & Introduction
Co-Host Welcome
A1 Company Presentation
Delegates Round Table Introduction
Working Capital Optimisation
Coffee Break
5G Signaling Trials and Development
The Future of Digital Trust
Firebase Phone Number Verification
Numbers Revealed
- Understanding common GNP misconceptions
- The intelligence behind phone numbers
- How number intelligence can help to contain costs and mitigate fraud risks
- Live demo: interrogate real numbers
Bilateral Meetings
Meeting Adjourned
Day 2 – Tuesday 2 June
Flash Calls – Fraud Risk or Business Opportunity?
Strengthening Dispute Management: Insights, Practical Approaches, and Telco vs Enterprise Perspectives
- Overview of BICS’ dispute guidelines – context, objectives, and key takeaways
- Common dispute drivers across Telco and Enterprise environments
- Practical frameworks for dispute prevention and early resolution
- Case examples and lessons learned from recent disputes
- Telco vs Enterprise comparison – operational differences, risks, and best practices
Inne Michiels, Financial Customer Ops Mgr, BICS
Coffee Break
Monetizing 5G SA Roaming – Negotiation, Launch and Settlement in a TAP0/BCE World
- 5G Standalone roaming breaks the old model of published IOT tables
- Every slice and use case needs its own negotiated deal and launch, partner by partner
- TAP, TAP0 and BCE must coexist while operators shift to richer 5G settlement.
- Commercial, network and finance teams need one shared view of partners and performance
Building Resilient Telecom Ecosystems Against Fraud
Lunch
Settlements Analyzer by AI
Where Should B2C Teams Sit in a Telco's Organisation?
- Organisational placement models – the most common options
- Benefits and Pitfalls
- Key strategic considerations
- Q&A – what’s your experience or questions
Roaming Billing & Clearing Houses: Eliminating Disputes with Automation & AI
As roaming complexity increases, billing mismatches and clearing house disputes continue to impact operator margins.
This session explores common causes of NRTRDE, BCE, and TAP discrepancies and how automation and AI-driven reconciliation can proactively detect anomalies, reduce disputes, and improve settlement efficiency.
Billing Increment Workstream
Insight on the proposed best practice guideline
Inne Michiels, Financial Customer Ops Mgr, BICS
Bilateral Meetings
Meeting Adjourned
Group Dinner Jointly Sponsored by A1 & GSC
Meet at A1 Headquarters Lobby
Day 3 – Wednesday 3 June
Organising Wholesale IMSI
(International Mobile Subscriber Identity)
Roaming Market Evolution – Challenges for Operators
Markus Thausing Aichberger, Head of Group Wholesale Roaming & Mobile Solns, A1
Coffee Break
Credit, Collections, Dunning & Operational KPIs
- End-to-End Process: Customer onboarding, credit assessment, approval, and handover to collections
- Collections & Dunning: Structured follow-ups, communication cadence, and escalation management
- Operational KPIs: DSO, ageing, promise-to-pay, productivity, and cycle times
- Management KPIs: Risk exposure, bad debt, cash recovery, and portfolio performance
- Governance & Improvement: Policy alignment, reporting, and cross-functional collaboration
Bridging the Gap between Sales & Finance
Lunch
Q&A to the Carrier Community
An opportunity for the benefactors to ask questions from our carrier community.
Agentic vs Generative AI: Choosing the Right Tool for Voice Operations
- What are the key differences?
- How will daily operations workflows be redefined?
- Can we ensure that decisions are accurate and compliant with wholesale trading rules?
From Credit to Cash: Improving Collection & Reducing Risk
Reinventing Wholesale – Navigating Disruption, Margin Pressure & Global Complexity
- Market reality check – disruption & revenue shift
- Operational pain points / bottleneck
- Technology & digital transformation – how real is AI in wholesale today?
- Global regulatory compliance – complexity, operational challenges, differentiator vs cost burden
- Future outlook / perspectives
Action Plans
An opportunity to provide your feedback on this event, and help to shape the agenda for the next GSC Forum.
Meeting Adjourned
Co-hosted by
Visa Requirements
Check your status at the Austrian Consular Services Website.
If you require a formal invitation letter for your visa application, we will send you a template and the necessary instructions once your registration has been received.
Hotel Accommodation
Motel One Wien-Prater
Ausstellungsstraße 40
1020 Vienna, Austria
Phone: +43 1-7297800
Email: wien-prater@motel-one.com
Standard Room Single Occupancy:
€157/night (incl VAT) plus city tax €4,07/night
Standard Room Double Occupancy:
€157/night (incl VAT) plus city tax €8,14/night
Note: Delegates may choose to pay for breakfast at the hotel 17.90 € per person per day.
Alternatively, delegates may arrive early at the A1 Headquarters and purchase breakfast at the A1 cafeteria.
Conference Venue at A1 Headquarters
A1 Telekom Austria
Lassallestrasse 9, 1020 Vienna, Austria
Conference Room: A1 Saal
Cafeteria: A1 Canteen
Transportation
Taxi / Uber / Bolt: approx. €35 – 42 (follow signs for Uber / Bolt in the app)
Duration: 20 – 30 minutes
Airport Shuttle Service: Vienna Airport Transfers
Train: Schnellbahn S7 » Vienna-Schwechat Airport Timetable to Wien Praterstern Station (U1, U2)
€5,40 (€2,20 – Ticket Airport Vienna plus €3,20 Vienna Core Zone Area)
Note: 24 hour unlimited tickets within Vienna Core Zone are €9,70. More information here.