DSX via dedicated MPLS connection
Enables end-to-end Diameter signalling transport for MNOs with virtual DRA and dedicated TATA’s MPLS PoP connection. Local or regional breakout for secure and low-latency signalling connectivity requirements.
DSX via IPSEC VPN connection
Enables end-to-end Diameter signalling transport for MNOs with virtual DRA and connectivity through secured and global IPSEC VPN gateways for rapid service activation and enhanced resiliency.
Diameter signalling security
Protect your network from signalling threats with our advanced Diameter firewalls - ensuring secure, reliable, and compliant 4G roaming connectivity.
DSX service with hosted DEA/DRA
A fully hosted DEA/DRA solution that connects MNO’s 4G core with our DSX, delivering smooth Diameter signalling for 4G and 5G NSA roaming.
Explore use cases
1
Global 4G roaming signalling
Supports secure, low-latency Diameter signalling for international LTE roaming.
2
VoLTE roaming enablement
Ensures reliable IMS-aware routing for authentication, attach, and voice continuity.
3
5G NSA signalling support
Extends Diameter signalling capabilities to support 5G NSA roaming alongside existing 4G services.
4
Signalling attack protection
Identifies and mitigates signalling floods and malformed messages, also ensures network stability during abnormal traffic spikes.
Enabling the ecosystem behind roaming excellence
Mobile Network Operators (MNOs)
Roaming & interconnect business teams
Network security & core network teams
IoT, enterprise & digital service providers
Roaming & wholesale business teams
Core network & security teams
Mobile Virtual Network Operators (MVNOs)
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Multinational enterprises
Global contact centres
Travel and hospitality brands
Financial and professional services
Always ON 4G roaming with global, intelligent, and secured DSX
DSX services over private MPLS network
Private carrier‑grade MPLS network ensures secured and ultra‑low latency for Diameter Signalling Exchange (DSX).
Global DRA presence
Geo‑redundant and full-mesh DRA architecture to deliver predictable 4G signalling and roaming performance across continents.
Intelligent routing
Centralised intelligent routing with load‑balancing, realm‑based policy, and IMS/VoLTE awareness.
Secure diameter firewall
Topology hiding, DDoS protection, AVP validation, rate‑limiting, and anomaly detection.
4G roaming analytics
Real‑time KPIs, partner dashboards, proactive alerts, and exportable SLA reports.
Pro-active signalling monitoring
24 x 7 service assurance and monitoring teams to support customers for best QoS and service reliability.
Why choose Tata Communications for DSX?
Why choose Tata Communications for DSX?
Predictable low-latency performance
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Private MPLS ensures low jitter and fast 4G attach/registration times.
Higher 4G roaming quality
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Intelligent signalling paths and security deliver higher roaming quality of service and improve 4G roaming KPI.
Lower capax requirements
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Managed/hosted DEA/DRA model eliminates capex and supports elastic scaling.
Faster time to market
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Gain quick access to 700+ global 4G destinations for Diameter Signalling Exchange through a single and secure interconnection, eliminating interoperability concerns.
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