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Voice and Messaging Services for the Future

Overview

Empower the Way Media Content is Produced, Managed and Distributed

Our Network Applications enable Communication Service Providers (CSP’s) to transform their core networks into agile, cloud-native service platforms. Built on decades of telecom expertise and deployed across global tier‑1 operators, the solution portfolio supports converged voice, messaging and multimedia services across 5G, 4G and legacy networks.

Our open, cloud-native architecture empowers operators to modernize existing services, rapidly introduce new digital offerings, and unlock new revenue streams—while ensuring carrier-grade reliability and performance.

The portfolio integrates call control, media processing, messaging and interworking capabilities into a unified, scalable platform that can be deployed as physical, virtualized or cloud-native network functions.

Overview

Solutions

Call Control

  • Provides the intelligence layer for managing voice and communication services across fixed and mobile networks.
  • Enables core telecom services such as session control, routing and service logic
  • Supports a wide range of applications including supplementary services, enterprise communications and value-added services
  • Ensures seamless interoperability across legacy and IMS-based networks.

Multimedia

The multimedia layer enables immersive and interactive communication services, supporting both consumer and enterprise use cases.

  • Delivers real-time media processing capabilities for advanced voice and video services.
  • Enables functions such as IVR, announcements, media mixing and transcoding
  • Integrates with cloud-based speech and AI services for next-generation user experiences

Messaging

This capability allows operators to modernize messaging infrastructures while creating new monetization opportunities.

  • Supports SMS, USSD and IP-based messaging services
  • Facilitates interworking between legacy and next-generation messaging platforms
  • Provides a foundation for enterprise messaging services and customer engagement solutions

Interworking

  • Ensures seamless connectivity and service continuity across heterogeneous network environments.
  • Bridges protocols and technologies across legacy and IP-based networks
  • Protects investments and enables smooth migration to 5G while maintaining support for existing services

Our Service Delivery Platforms

Telecom Application Server (TAS)

A cloud-native, carrier-grade application platform for delivering advanced telecom services.

  • Supports voice, video, messaging and multimedia applications across all network types
  • Provides service orchestration, protocol interworking and network integration
  • Offers open APIs (Java and REST) for rapid service development
  • Deployable across CNF, VNF and PNF environments 

Typical use cases include:

  • Call control and supplementary services
  • Messaging gateways and interworking
  • Enterprise communication and IP-PBX services
  • Value-added services such as voicemail, IVR and call recording 
Telecom Application Server (TAS)

A real-time media processing platform enabling advanced voice and video services.

  • 5G/4G IMS-ready Media Resource Function (MRF)
  • Software-based media processing for scalability and flexibility
  • Supports a wide range of codecs and media protocols
  • Provides advanced functions such as conferencing, IVR, announcements and transcoding 

Key capabilities include:

  • Real-time voice and video processing
  • Conferencing and call mixing
  • Media transcoding and recording
  • Integration with cloud speech and AI services 
ERS Engineering Lösung Telecom Network Applications for Communication Service Providers