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Who is TELES AG Informationstechnologien?
TELES AG Informationstechnologien is a German telecommunications solutions provider that focuses on Voice Over Internet Protocol (VoIP), cloud-based voice platforms, and related infrastructure for service providers and enterprises.
- Carrier-grade VoIP and softswitch platforms for fixed, mobile, and converged operators (voice networking)
- Cloud-based telephony and hosted PBX solutions for service providers and business customers (unified communications)
- Session Initiation Protocol (SIP) trunking enablement, session control, and interconnect solutions for IP-based voice services (voice connectivity)
- Network elements and software for migrating legacy telephony infrastructures to all-IP architectures (network modernization)
- Professional services, integration, and support for planning, deployment, and operation of TELES-based voice networks (managed services)
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More About TELES AG Informationstechnologien
TELES AG Informationstechnologien develops and supplies telecommunications systems that support IP-based voice services for network operators, service providers, and enterprise environments. Its portfolio focuses on carrier-grade VoIP platforms, softswitching, and cloud telephony components that enable fixed-line, mobile, and converged operators to deliver voice and unified communications services over IP networks. The company addresses use cases such as hosted PBX for business customers, SIP trunking for enterprise connectivity, and interconnect solutions between different operator networks.
In enterprise and institutional contexts, TELES platforms are typically deployed either as wholesale white-label solutions for service providers or as core network elements in voice infrastructures. Service providers can use TELES cloud PBX and VoIP platforms (unified communications) to deliver multi-tenant business telephony, including extension management, feature provisioning, and integration with existing access networks. For enterprises, SIP trunking enablement (voice connectivity) provides a migration path from legacy PRI-based trunks to IP-based connectivity for IP-PBXs and unified communications systems, while maintaining interoperability with public telephony networks.
From a technical perspective, TELES solutions are based on standard telecom and networking protocols, including SIP for call signaling, Real-time Transport Protocol (RTP) for media transport, and various SS7 and ISDN interworking capabilities where legacy interfaces remain in use. The company’s softswitch and session control components (voice networking) are typically deployed in redundant, scalable configurations within operator data centers, with support for high availability and geo-redundancy, depending on the network design. These systems interface with IP access networks, media gateways, and existing OSS/BSS environments to support provisioning, billing, and monitoring workflows.
TELES offerings are relevant in scenarios where operators or enterprises need to migrate from TDM-based telephony to all-IP architectures. The company’s network modernization solutions (network modernization) support gradual migration strategies, enabling coexistence of legacy and IP domains via media and signaling interworking. This is applicable for carriers that still operate ISDN or SS7-based networks but plan to introduce IP interconnects and SIP-based retail or wholesale voice products.
Within an enterprise IT and telecom marketplace taxonomy, TELES AG Informationstechnologien can be categorized across several domains: carrier VoIP infrastructure and softswitch platforms (voice networking), cloud PBX and hosted telephony services (unified communications), SIP trunking and interconnect services (voice connectivity), and professional and managed services for design, deployment, and operation of voice networks (managed services). Its systems are oriented toward organizations that require standards-based voice infrastructure with interoperability across heterogeneous telecom environments.
Our description of TELES AG Informationstechnologien. Updated December 2025.