Home MarketsTelecom


The telecommunications industry has undergone major transformations in the last few years. With the emergence of innovative technologies and new business models, the entire telecom industry landscape has shifted. This change brought new telecom challenges in areas such as network convergence, content delivery, service delivery, and the adoption of new standards. Carriers face pressures to remain competitive through innovations, simplified operations & introduction of new services.


Symphony provides solutions to customers across the telecom value chain. Our offerings cater to large network equipment manufacturers, semiconductor manufacturers supplying to the telecom market, wireless terminal product vendors and test and measurement equipment providers, worldwide.

Symphony’s offerings can be mainly bucketed into 4 categories – Value Added Services, OSS/ BSS Applications, NGN Platforms & Wireless/ Cellular. Our global engineering teams are supported by our Center of Excellence where professionals with relevant domain and industry knowledge provide guidance to the community and act as incubators for new projects and new technologies.

Service Offerings

Our service offerings cover hardware platforms, operating systems, communication protocols & interop testing. We have expertise in the following areas –

Middleware Development Telecom Protocol Stack (VOIP, Circuit Switched, IMS, Wireless 2G/2.5G/3G/4G), Scalability, Multimedia (Audio and Video Codecs)
Stack Integration End to end solution development over 3rd party stack
Business Logic Telecom Applications like UM, Prepaid etc
Management Plane FCAPS, Provisioning, Agents, Manager etc
High Availability SAF HA Middleware, Rolling Upgrades, 99.999 availability, Clustering
Chassis/Server Diagnostics Field & Development Diagnostics
Migration of Applications to ATCA/ BCT with SAF compliance Re-architecture & Implementation for ATCA & SAF

How Symphony has helped its clients

  • EMS/NMS solutions for IN, Wireless, NGN, Satellite Networks.
    • HP OpenView, SEM, SUMMIT, Proprietary EMS/NMS, Loriot, Tivoli
  • SOA based Enterprise Portal for tier 1 backend OSS/BSS heterogeneous systems.
  • Real time event based mediation system for Value Added Services, Converged Platform, and Packet Cable RKS.
  • Interfaced Mediation System with Proprietary billing system of tier 1 carrier and also with DAI and TIBCO.
  • Scalability and Reliability System Engineering for Mediation system to process upto 8 Millions CDRs per second.
  • Deployed Carrier grade Application Platform, Voice VPN application and Real Time Mediation System.
  • Carrier Grade Access Gateway for BT 21 CN.
  • Carrier Grade Soft switch using HSS SIP Stack
  • Carrier Grade NGN Application Platform and applications like UM, Prepaid, Postpaid etc.
  • Developed IP Value Added Applications like:
    • Toll Free, Prepaid, Postpaid, Follow Me, Unified Messaging, Auto Attendant.
  • Real Time and On Demand Media Streaming Applications for 3G and NGN networks.


Venkat Panchapakesan CEO, Yahoo! Software Development, INDIA

"The reason we looked at using providers like Symphony...is the domain experience. It's not just technical talent that is going to make offshore product development work.... Yahoo! has about 200 different products.we can't do everything."