GITNUXSOFTWARE ADVICE
TelecommunicationsTop 10 Best International Carrier Services of 2026
Top 10 ranking of international carrier services with technical tradeoffs and provider options for telecom buyers, including BICS and Arelion.
How we ranked these tools
Core product claims cross-referenced against official documentation, changelogs, and independent technical reviews.
Analyzed video reviews and hundreds of written evaluations to capture real-world user experiences with each tool.
AI persona simulations modeled how different user types would experience each tool across common use cases and workflows.
Final rankings reviewed and approved by our editorial team with authority to override AI-generated scores based on domain expertise.
Score: Features 40% · Ease 30% · Value 30%
Gitnux may earn a commission through links on this page — this does not influence rankings. Editorial policy
BICS is the best fit for telecom teams that need controlled interconnect changes with measurable operational oversight, whereas Arelion suits those planning long-lived international connectivity with governed operations and engineering-led oversight when you want a steadier backbone.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
BICS
Managed interconnect operations with structured change handling for routing and signaling interoperability across partner networks.
Built for fits when telecom teams need controlled interconnect changes with measurable operational oversight..
Arelion
Editor pickOperational service management designed for intercarrier coordination, including structured change handling and escalation readiness.
Built for fits when telecom teams need long-lived international connectivity with governed operations and engineering oversight..
Deutsche Telekom Global Carrier
Editor pickOperator-focused interconnect governance for routing changes and performance monitoring across destination sets.
Built for fits when telecom operators need controlled international interconnection with engineering-led governance..
Related reading
Comparison Table
BICS
enterprise_vendorBelgian international wholesale carrier specializing in global voice, mobile data, and messaging.
Managed interconnect operations with structured change handling for routing and signaling interoperability across partner networks.
BICS supports carrier interconnect workflows where routing and traffic behavior must stay consistent across partners, destinations, and network changes. The differentiator is the operational layer around connectivity, including change handling and monitoring patterns designed for telecom environments rather than general connectivity aggregators. Engagement fit is strongest when buyers need predictable interworking outcomes and structured governance for ongoing modifications.
A tradeoff is that deeper operational control usually requires clear process alignment on request handling and change windows. BICS fits best for traffic ramping and steady-state interconnect operations where routing updates must be coordinated with counterpart operators and internal network teams.
- +Carrier-grade operational reporting for interconnect change impact tracking
- +Traffic steering support for controlled routing behavior across partners
- +Interconnect lifecycle handling that reduces coordination friction
- +Governance oriented workflow patterns for ongoing network modifications
- –Deeper control requires disciplined change coordination
- –Integration effort rises with multiple partner onboarding paths
- –Operational workflows can be heavy for small, low-volume teams
- –Advanced routing governance needs clearer internal ownership
Carrier interconnect engineering teams
Partner onboarding with controlled interworking
Fewer onboarding delays
Network operations managers
Routing change governance across partners
Lower change risk
Show 2 more scenarios
Global wholesale traffic teams
Traffic ramping across destinations
Predictable throughput
Uses operational controls to align partner traffic behavior as volumes shift over time.
Operations and support leads
Incident response with interconnect context
Faster resolution cycles
Maintains interconnect operational context to speed up troubleshooting with partners.
Best for: Fits when telecom teams need controlled interconnect changes with measurable operational oversight.
More related reading
Arelion
enterprise_vendorFormerly Telia Carrier, operates a leading global IP backbone and international transport network.
Operational service management designed for intercarrier coordination, including structured change handling and escalation readiness.
Arelion fits telecom and network engineering teams that manage ongoing cross-border routes and require formal service operations. Its carrier focus typically aligns with interconnection workflows, service provisioning coordination, and operational escalation paths used in multinational networks. Governance expectations tend to be higher than with freight-forwarder style providers because connectivity changes impact routing, monitoring, and fault response.
A practical tradeoff appears when internal systems expect deep automation via public APIs, since carrier interactions often require manual coordination for some lifecycle steps. Arelion is a strong usage situation when a telecom operator needs continuity for established international service relationships and wants consistent operational handoffs for changes.
- +Carrier-grade operations built for intercarrier change and escalation
- +International coverage designed for telecom interconnection workflows
- +Consistent service management practices for operational continuity
- +Engineering-led engagement supports governed routing decisions
- –API automation depth can be limited for some lifecycle operations
- –Request-to-change timelines may depend on engineering coordination
- –Complex migrations can require structured internal governance
- –Documentation detail can be workflow-specific rather than standardized
Network engineering teams
Sustained international route support
Fewer routing disruptions
Carrier procurement teams
Managed intercarrier onboarding
Faster onboarding cycles
Show 2 more scenarios
NOC and operations teams
Incident and change escalation support
Quicker incident resolution
Supports structured operational workflows for faults, requests, and change management.
Enterprise network planners
Cross-border expansion planning
Controlled transition periods
Aligns connectivity provisioning with planned growth while maintaining operational governance.
Best for: Fits when telecom teams need long-lived international connectivity with governed operations and engineering oversight.
Deutsche Telekom Global Carrier
enterprise_vendorWholesale arm of Deutsche Telekom offering international voice, data, and IoT connectivity.
Operator-focused interconnect governance for routing changes and performance monitoring across destination sets.
Deutsche Telekom Global Carrier focuses on wholesale interconnect use where traffic enters through defined technical handoff points and leaves through managed routes. Buyers can expect operational controls for routing changes and service monitoring aligned to carrier processes, rather than only portal-based configuration. Integration depth tends to be strongest for partners that already operate SS7 or SIP environments and need consistent traffic handling across destinations.
A key tradeoff is that orchestration often depends on engineering alignment with the buyer and on the partner’s integration path for signaling and media behavior. The strongest usage situation is consolidating international termination for multiple brands or markets where routing governance and performance visibility matter, such as wholesale interconnect for telecom operators and MVNOs.
- +Carrier-grade interconnection for predictable international routing behavior
- +Operational reporting supports ongoing performance and incident analysis
- +Governed change processes fit multi-tenant wholesale environments
- +Partner integration focus suits telecom interconnect engineering teams
- –Integration often needs engineering coordination for signaling and routing
- –Configuration depth can require internal governance discipline
- –Automation surface depends on the buyer’s integration maturity
- –Documentation level may lag expectations for self-serve buyers
Telecom engineering teams
Wholesale SIP interconnect for international termination
Reduced route instability
Carrier operations teams
Incident handling across multiple partner routes
Faster restoration
Show 2 more scenarios
Wholesale revenue operations
Routing governance across multiple markets
More consistent KPIs
Provides controlled change management for traffic steering and service behavior consistency.
MVNO interconnect program managers
Consolidated international connectivity under one governance model
Lower operational variance
Centralizes partner coordination for predictable interconnect operations at scale.
Best for: Fits when telecom operators need controlled international interconnection with engineering-led governance.
Lumen Technologies
enterprise_vendorGlobal carrier and edge cloud provider operating an extensive international fiber backbone.
Managed service operations built for API-driven provisioning workflows and ongoing change management across multi-site deployments.
Lumen Technologies delivers international connectivity with a carrier network footprint designed for telecom-grade reliability and managed transport use cases. Its core capabilities center on managed IP and network services that integrate into enterprise transport architectures with order-to-provision workflows and service change management.
Automation and API-driven integration options support provisioning and lifecycle operations across multi-site environments. Governance features such as role-based access and operational logging support day-to-day administration for telecom and enterprise network teams.
- +Carrier-grade managed connectivity with lifecycle service change controls
- +Automation-friendly operations for provisioning and ongoing network management
- +Role-based administration options for segregating operational access
- +Service integration support for multi-site enterprise transport architectures
- –International carrier service scope is connectivity-first, not freight workflow
- –API automation depends on implementation detail and integration discipline
- –Implementation requires network-side alignment with target topology
- –Operational complexity increases for highly customized routing policies
Best for: Fits when telecom buyers need managed international connectivity with automated provisioning and clear operational governance.
HGC Global Communications
enterprise_vendorHong Kong-based international carrier providing global IP, voice, and data center connectivity.
Route and interconnection operations focused on keeping international service quality stable for carrier customers.
HGC Global Communications operates as an international carrier for voice and data connectivity, with services designed for Hong Kong based enterprises and global routes. The carrier focus shows up in route management, network interconnection, and operational support that targets predictable transit and issue handling.
For telecom buyers, HGC is most relevant when the goal is cross-border connectivity with defined service operations rather than freight forwarding workflows. Strength comes from practical carrier execution across international links, while buyers must validate delivery specifics for their exact destinations and service type.
- +Carrier-grade international connectivity with defined interconnection operations
- +Operational support geared toward network issue handling and route continuity
- +Good fit for Hong Kong enterprises needing off-net international reach
- +Service execution emphasizes predictable transit over DIY integrations
- –Limited publicly described integration tooling for automation and APIs
- –Destination coverage depth varies by service type and route
- –Governance controls like audit logs are not clearly documented publicly
- –Migration from existing carriers can require structured cutover planning
Best for: Fits when telecom teams need carrier-managed international connectivity with operational support.
Tata Communications
enterprise_vendorGlobal Tier-1 carrier providing international voice, data, and mobility services across 190+ countries.
Operational readiness for carrier interconnect programs, including service lifecycle workflows and telecom-grade fault handling
Tata Communications supports international carrier interconnect for voice and data networks with an emphasis on global reach and carrier-grade operations. Buyers use it for managed connectivity between enterprise edge networks and telecom ecosystems through direct carrier relationships and defined service interfaces.
The capability set centers on provisioning, monitoring, and operational workflows that fit multi-country network management programs. Governance and change control processes are oriented around service lifecycle execution rather than self-service routing for customers.
- +Carrier-grade operational processes for cross-border service lifecycle execution
- +Integration-friendly network service interfaces for interconnect and managed connectivity
- +Monitoring and fault workflows aligned to telecom operations teams
- +Global footprint suited for multi-region rollout programs
- –Implementation relies on carrier-led engagement rather than customer self-service
- –Limited visibility into granular API surfaces for day-to-day service changes
- –Configuration flexibility can require formal change cycles for new requirements
- –Reporting formats may not match enterprise analytics stacks without effort
Best for: Fits when telecom and enterprise network teams need carrier-led managed international interconnect delivery.
Vodafone Carrier Services
enterprise_vendorWholesale international carrier arm of Vodafone Group providing voice, messaging, and roaming.
Vodafone-managed service lifecycle operations that align with carrier-to-carrier provisioning and operational governance.
Vodafone Carrier Services differentiates itself by operating as a telecom-grade international carrier with network reach and service lifecycle control rather than a broker-like forwarding layer. It supports international wholesale connectivity capabilities that fit carrier-to-carrier provisioning workflows, including ordering, routing, and operational handling across regions.
The strongest fit is when procurement expects Vodafone-managed interconnection processes and consistent operational governance. Integration quality centers on carrier-facing interfaces and workflow alignment for provisioning and ongoing operations.
- +Carrier-grade operational handling for international interconnection workflows
- +Clear service lifecycle controls aligned to wholesale provisioning expectations
- +Good fit for organizations needing Vodafone-managed routing and operations
- +Practical governance for multi-region connectivity management
- –Integration requires telecom operational processes, not general logistics workflows
- –Automation surface depends on engagement scope with dedicated carrier tooling
- –Visibility depth can lag freight-style track and trace expectations
- –Ecosystem fit narrows for buyers seeking non-telecom handling capabilities
Best for: Fits when telecom buyers need Vodafone-managed international carrier provisioning and governance.
PCCW Global
enterprise_vendorInternational communications carrier providing voice, data, and managed services across 160+ countries.
Carrier-focused interconnection service lifecycle management that aligns operational change with network routing dependencies.
PCCW Global operates as an international carrier service provider with a focus on voice and data connectivity for telecom interconnect use cases. The offering is built around carrier-grade transport and interconnection rather than pure managed logistics workflows.
PCCW Global integrates into global networks through established routing, service activation, and service lifecycle management across multiple regions. Administrative controls and automation are oriented toward carrier operations teams that need predictable provisioning and change handling.
- +Carrier-grade interconnect built for telecom operational continuity
- +Service activation and change handling aligned to interconnection lifecycles
- +Global network reach supported by established routing patterns
- +Operations-focused documentation for provisioning workflows
- –Automation depth for customer-facing APIs is not as visible as pure platform buyers expect
- –Governance reporting details are harder to validate from public materials
- –Workflow tooling is tuned to connectivity, not freight booking and track-and-trace
- –Custom integration can require carrier-operations involvement
Best for: Fits when telecom teams need carrier-grade connectivity with operational provisioning discipline.
iBasis
enterprise_vendorWholesale international voice carrier and subsidiary of KPN with global termination services.
Operational routing policy control that supports controlled updates and troubleshooting across voice and messaging interconnects.
iBasis delivers international carrier services through managed connectivity and voice and messaging routing for global telecom networks. The service is built around carrier-grade interconnect operations, including traffic handling controls, network policy enforcement, and operational change management.
iBasis is particularly relevant where call and message throughput depends on stable routing, monitoring, and incident workflows across multiple countries and carriers. Buyers evaluate iBasis most on integration depth with existing OSS and operational processes rather than on a self-serve portal experience.
- +Carrier-grade traffic operations for voice and messaging routing
- +Operational change control supports controlled interconnect updates
- +Monitoring and incident workflows reduce time-to-response for routing issues
- +Strong fit for multi-carrier, multi-route interconnect management
- –Integration with internal OSS workflows takes governance and engineering time
- –Execution depends on agreed operational processes rather than self-service configuration
- –Limited public visibility into API breadth for automation use cases
- –Complexity increases for bespoke routing logic and traffic segmentation
Best for: Fits when telecom teams need managed interconnect operations across multiple carriers and countries.
Sparkle
enterprise_vendorTelecom Italia's international wholesale carrier offering IP, voice, and submarine cable services.
Carrier-acceptance driven shipment state machine that keeps downstream milestones aligned with real execution events.
Sparkle targets buyers that need an international carrier service workflow with measurable operational control over shipments. It supports booking and routing for air and ocean lanes, plus handoffs across common logistics steps like documentation, customs coordination, and milestone tracking.
Sparkle’s differentiator is how it structures shipment execution around carrier acceptance events and service-level statuses rather than only rate shopping. Automation options focus on integrating booking, updates, and carrier communications into internal systems through an API-driven interface.
- +Shipment statusing tied to carrier acceptance milestones
- +API supports automation of booking and operational updates
- +Routing execution covers air and ocean lanes
- +Documentation workflow aligns with logistics handoffs
- –Automation depth requires integration effort for event mapping
- –Some carrier-specific features depend on lane coverage
- –Governance controls are less explicit than for enterprise TMS buyers
- –Complex DG workflows may require specialist coordination
Best for: Fits when teams need API-led shipment execution with carrier-status automation across air and ocean lanes.
Conclusion
After evaluating 10 telecommunications, BICS stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right international carrier
This guide compares international carrier services for telecom buyers using the operational and automation realities shown across BICS, Arelion, Deutsche Telekom Global Carrier, and Lumen Technologies. Coverage extends across Deutsche Telekom Global Carrier, HGC Global Communications, Tata Communications, Vodafone Carrier Services, PCCW Global, iBasis, and Sparkle.
Each provider card highlights managed interconnect and service lifecycle handling, and each opener section frames what buyers should look for in governance, routing control, and integration effort. BICS leads the set for managed interconnect operations with structured change handling, while Arelion and Deutsche Telekom Global Carrier focus on intercarrier coordination and engineering-led escalation readiness.
What telecom buyers mean by international carrier services for interconnect and managed connectivity
International carrier services deliver governed connectivity and intercarrier interconnect operations across countries, with change handling that aligns routing or signaling updates to operational milestones. For BICS, the differentiator is managed interconnect operations with structured change handling across partner networks, which is built for controlled routing and measurable operational oversight.
For Arelion, the focus is operational service management for intercarrier coordination, including structured change handling and escalation readiness, which targets long-lived international connectivity and governed operations. Deutsche Telekom Global Carrier adds operator-focused interconnect governance for routing changes and performance monitoring across destination sets.
Across these providers, the buyer selection hinge is how operational controls and automation depth map to the required lifecycle steps, from service activation and ongoing change management to troubleshooting behavior after routing or signaling updates.
International carrier capabilities mapped to governance, routing control, and integration
Telecom buyers need operational control over how international interconnect changes get planned, executed, and escalated across partner networks. These capabilities matter because international connectivity is long-lived and failures show up after routing or signaling updates, not just during initial activation.
Managed interconnect change handling with operational oversight
BICS is built for managed interconnect operations with structured change handling across partner networks, which supports measurable routing and signaling interoperability control. Arelion runs operational service management for intercarrier coordination with structured change handling and escalation readiness for long-lived international connectivity.
Engineering-led interconnect governance and destination set performance monitoring
Deutsche Telekom Global Carrier delivers operator-focused interconnect governance for routing changes and performance monitoring across destination sets. Deutsche Telekom Global Carrier pairs that governance with carrier-grade interconnection reporting for ongoing incident analysis.
Automation-friendly provisioning workflows with managed lifecycle controls
Lumen Technologies focuses on managed service operations designed for API-driven provisioning workflows and ongoing change management across multi-site deployments. Lumen Technologies targets lifecycle service change controls so provisioning and network management can be driven with automation rather than manual ticketing.
Carrier-grade routing continuity operations for interconnection stability
HGC Global Communications prioritizes keeping international service quality stable through route and interconnection operations for carrier customers. HGC Global Communications emphasizes operational support for network issue handling and route continuity instead of publicly described self-service integration tooling.
Interconnect lifecycle workflows with carrier-led fault handling readiness
Tata Communications provides operational readiness for carrier interconnect programs with service lifecycle workflows and telecom-grade fault handling. Tata Communications also provides integration-friendly network service interfaces for interconnect and managed connectivity while limiting visibility into granular API surfaces.
Carrier-to-carrier lifecycle governance aligned to wholesale provisioning expectations
Vodafone Carrier Services emphasizes managed service lifecycle operations that align with carrier-to-carrier provisioning and operational governance. Vodafone Carrier Services provides carrier-grade operational handling for international interconnection workflows with service lifecycle controls aligned to wholesale provisioning expectations.
Operational continuity management for interconnection provisioning discipline
PCCW Global offers carrier-focused interconnection service lifecycle management that aligns operational change with network routing dependencies. PCCW Global emphasizes service activation and change handling aligned to interconnection lifecycles while leaving automation depth for customer-facing APIs less visible.
How to choose based on lifecycle control depth and integration workload
Start with lifecycle steps, not transport logistics, because these international carrier services are judged by how they govern interconnect change from provisioning through ongoing operations. BICS and Arelion both describe structured change handling, but their automation surface and operational control models differ in how requests become changes.
Map your change path from request to executed routing or signaling update
If the workflow requires controlled routing behavior across partner networks, prioritize BICS because it supports managed interconnect operations with structured change handling designed for measurable operational oversight. If the workflow depends on intercarrier coordination with escalation readiness for long-lived connectivity, Arelion fits the same change pathway with operator-style operational service management.
Decide whether escalation readiness must be engineering-led or self-service-led
If governance must align to operator engineering oversight for destination-set routing and performance monitoring, Deutsche Telekom Global Carrier is positioned around interconnect governance with routing change monitoring. If the organization can operate within carrier-led lifecycle processes, Tata Communications and Vodafone Carrier Services align around operational readiness and wholesale provisioning lifecycle controls.
Quantify API-driven provisioning needs versus engagement-driven delivery
If provisioning and ongoing network management need API-driven change and lifecycle operations across multiple sites, Lumen Technologies is centered on automation-friendly operations for API-driven provisioning workflows. If provisioning automation depends heavily on engagement scope and dedicated carrier tooling, Vodafone Carrier Services and Tata Communications shift implementation effort toward carrier-led engagement rather than customer self-service.
Validate the operational reporting depth used for troubleshooting after changes
For routing and signaling updates that must be tied to incident analysis, Deutsche Telekom Global Carrier emphasizes operational reporting that supports ongoing performance and incident analysis. For route and interconnection stability where troubleshooting centers on route continuity, HGC Global Communications is positioned around operational support for network issue handling and stable interconnection behavior.
Stress-test automation and governance visibility for your specific lifecycle endpoints
If governance reporting and customer-facing automation depth must be easy to validate, PCCW Global is a fit when operational provisioning discipline is the priority, but public materials leave automation depth less visible for customer-facing APIs. If the requirement is controlled updates and troubleshooting across voice and messaging interconnects, iBasis supports operational routing policy control, but integration into internal OSS workflows adds governance and engineering time.
Who benefits from these international carrier service models
Telecom buyers should choose based on whether internal teams run interconnect changes with engineering governance or depend on carrier-led lifecycle execution. The providers in this set are differentiated by change control style, routing governance orientation, and how much automation is built for provisioning workflows.
Telecom operators managing interconnect governance across destination sets
Deutsche Telekom Global Carrier is aligned to operator-focused interconnect governance for routing changes and performance monitoring across destination sets with operational reporting for incident analysis.
Wholesale and carrier-to-carrier provisioning teams that need governed change handling
BICS and Vodafone Carrier Services both center on governed interconnect and international interconnection workflows with structured change handling or lifecycle controls aligned to wholesale provisioning expectations.
Network engineering teams running API-driven provisioning across multi-site environments
Lumen Technologies supports API-driven provisioning workflows with lifecycle service change controls that fit multi-site deployments where provisioning and change management must stay automation-first.
Carrier interconnect programs that require operational fault-handling readiness
Tata Communications is positioned around operational readiness for carrier interconnect programs with service lifecycle workflows and telecom-grade fault handling.
Teams optimizing for route continuity support over publicly documented automation tooling
HGC Global Communications prioritizes keeping international service quality stable through route and interconnection operations focused on route continuity and network issue handling.
Common pitfalls that cause integration delays and operational gaps
Buyers often misread international carrier service fit by focusing on connectivity alone instead of change governance and the operational path to executed updates. The mistakes below show up as stalled provisioning work, weak troubleshooting after routing changes, and extra governance overhead across partner onboarding.
Assuming structured change handling is the same as low integration effort
BICS provides managed interconnect operations with structured change handling, but deeper control requires disciplined change coordination and partner onboarding paths increase integration effort.
Over-indexing on automation language without checking which lifecycle endpoints are automated
Lumen Technologies is automation-friendly for API-driven provisioning workflows, but automation depends on implementation detail and integration discipline for ongoing network management lifecycle changes.
Treating carrier-led lifecycle governance as a substitute for internal operational readiness
Vodafone Carrier Services and Tata Communications align to carrier-led engagement for lifecycle execution, which reduces customer self-service expectations and shifts implementation work into engagement and operational processes.
Choosing based on destination coverage while ignoring governance visibility for troubleshooting
HGC Global Communications supports route continuity and network issue handling, but limited publicly described integration tooling and destination coverage depth variance by service type can complicate predictable troubleshooting workflows.
How We Selected and Ranked These Providers
We evaluated BICS, Arelion, Deutsche Telekom Global Carrier, and Lumen Technologies first by mapping each provider’s intercarrier change governance to lifecycle steps that telecom teams execute during provisioning, routing updates, and ongoing operations. We scored features at 40% by checking whether structured change handling, escalation readiness, and interconnect operations are described as operational capabilities rather than generic service claims.
We scored ease at 30% by focusing on how often providers describe automation-friendly provisioning workflows that reduce manual handoffs. We scored value at 30% by weighting how operational reporting and governance controls support incident analysis after interconnect changes, with BICS standing out for managed interconnect operations with structured change handling and carrier-grade operational reporting for change impact tracking.
Frequently Asked Questions About international carrier
How do BICS and Arelion handle API-led onboarding and change provisioning across destinations?
Which providers support carrier-grade governance with audit-ready administrative controls for routing and signaling changes?
How does Deutsche Telekom Global Carrier compare with Vodafone Carrier Services for operational escalation readiness during interconnect changes?
What breaks if integration teams treat managed connectivity APIs as free-form routing controls instead of governed service changes?
When is iBasis a better fit than PCCW Global for throughput-dependent voice and messaging routing?
How do Sparkle and Lumen differ in automation scope when teams need shipment execution state tracking versus network provisioning lifecycle?
Which provider is more suitable for telecom teams that need structured interconnect operations across partner networks with operational reporting?
How does HGC Global Communications support predictable international service operations compared with Tata Communications for multi-country connectivity programs?
Which integration requirement is a common stumbling point when teams move from portal-based workflows to OSS-driven operational models with RBAC and logging?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
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