- 3rd Generation Partnership Project
- 4G
- Application
- Broadband
- Carrier Networks
- Change Management
- Cloud
- Compliance
Show all 38 topics
- Connectivity
- Core Network
- Decentralized Identity
- Enterprise
- Ethernet
- Firewall
- gateway
- Government
- Information and Communication Technology
- Interconnection
- Internet
- Internet of Things
- Latency
- Long Term Evolution
- Monitoring
- Network Operator
- Outsourced
- Packet
- Public Cloud
- Quality of Service
- Radio Access Network
- Services
- Standards
- Throughput
- Traffic Engineering
- Unified Communications
- Wholesale
- Wide Area Network
- Wireless
- Workforce
Optus appears across 4 articles to date.
Who is Optus?
Optus is an Australian telecommunications provider that delivers fixed and mobile network services, managed connectivity, and Information and Communication Technology (ICT) solutions for consumers, enterprises, and government customers.
- Nationwide mobile network services, including voice, messaging, and data
- Fixed-line, broadband, and NBN-based internet connectivity for residential and business sites
- Enterprise and government managed network and security services
- Cloud, collaboration, and unified communications solutions for business customers
- Wholesale and carrier services over Optus network infrastructure
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More About Optus
Optus operates as an integrated telecommunications and ICT provider in Australia, delivering mobile, fixed, and managed services to consumers, enterprises, and government agencies. For technical stakeholders, Optus is a network operator with national Radio Access Network (RAN) coverage, fixed access through fibre and other fixed-line technologies, and interconnection into domestic and international carrier networks. Its portfolio is structured around mobile services, fixed and broadband connectivity, enterprise network services, and ICT and managed solutions.
In mobile, Optus provides 4G and 5G (mobile network services) across a wide coverage footprint, offering voice, SMS, and packet data services over Long Term Evolution (LTE) and 5G New Radio (NR) radio interfaces, with core network functions aligned to 3rd Generation Partnership Project (3GPP) standards. Enterprise customers use Optus mobile services for workforce mobility, Internet of Things (IoT) connectivity, and as part of hybrid Wide Area Network (WAN) designs that combine fixed and wireless access. The company also offers mobile device and fleet management options, integrating SIMs, devices, and management platforms for corporate deployments.
On the fixed side, Optus delivers residential and business broadband (internet connectivity) over the National Broadband Network (NBN), as well as its own fibre and other fixed access infrastructure where available. For corporate and government sites, Optus provides point-to-point and multipoint connectivity, IP VPNs, and Ethernet services (enterprise networking), supporting hub-and-spoke and meshed WAN architectures. These services typically use standard IP routing, MPLS-based Traffic Engineering (TE), and Quality of Service (QoS) policies to segment and prioritize application traffic across branches, data centres, and cloud environments.
Beyond access, Optus offers managed network and security services (managed security, managed networking) that wrap monitoring, incident handling, and change management around the underlying connectivity. Enterprises can outsource WAN management, firewall administration, and network performance monitoring, using Optus as a single provider for connectivity plus operations. Security offerings generally align to common perimeter and network security controls, including managed firewalls, intrusion detection and prevention, secure remote access, and web gateway capabilities, using established security vendor platforms integrated into Optus-managed environments.
Optus also supports cloud and collaboration workloads (cloud connectivity, unified communications) by delivering SIP-based voice, hosted PBX, contact centre solutions, and integration with major collaboration suites. Enterprise voice and UC services use IP-based signalling and media transport, with options for session border control, Decentralized Identity (DID) management, and number portability. For cloud connectivity, Optus provides private and secure links from customer premises into public cloud environments, which enterprises deploy to meet latency, throughput, and compliance requirements beyond what is typically available over best-effort internet.
For wholesale and carrier customers, Optus exposes network capacity and interconnect services (wholesale carrier services), enabling other providers, MVNOs, and service aggregators to deliver offerings over Optus infrastructure. This includes access to mobile network capacity, fixed connectivity, and international gateways. In enterprise and institutional contexts, Optus is typically evaluated alongside other telecommunications carriers and ICT service providers based on network reach, service-level commitments, managed service capability, and integration with customer network, security, and cloud architectures.
Our description of Optus. Updated December 2025.
