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The Nightmare of Managing Heterogeneous VoIP Networks in Medium to Large Enterprises

By Yossi Zadah, AudioCodes

Managing heterogeneous VoIP networks in medium to large enterprises can be a nightmare. Due to the large number of vendors participating in providing the solution, there can be problems at every stage of the implementation and maintenance issues can arise in a variety of aspects including:

  • Network design and configuration
  • Device discovery
  • Distributed routing & policy enforcement
  • Distributed PSTN breakouts
  • Multiple VoIP network elements configuration: SBC and MGW
  • Multiple dial plans: SfB, IP-PBX, SBC and MGW
  • SIP interworking between IP-PBXs A large number of end user policies

Distributed networks present numerous challenges and when it comes to heterogeneous networks where the devices and applications are provided by different vendors, the situation is even worse. Unified Communication systems (e.g. Skype for Business) and the various components in the network such as IP-PBX, SBC and MGW, each have their own static routing, manipulation and dial plan tables. In actuality, we are talking about a distributed system whose elements don’t communicate with each other.  As for troubleshooting, there is no single throat-to-choke and each vendor puts the blame on the other.

AudioCodes’ new White Paper entitled, “Call Routing and Policy Management in Heterogeneous VoIP Networks” presents the challenges of heterogeneous VoIP networks and related applications currently existing in the market. The paper describes a new solution – the “Centralized Dynamic Routing and Policy Manager” – a holistic dynamic routing manager whose design is based on Software-defined Networking principles.

The Centralized Dynamic Routing and Policy Manager decouples the device layer from the network routing and policy layer, automatically creates complex VoIP networks, and simplifies routing rules, monitoring and management configuration. The Centralized Dynamic Routing and Policy Manager does not enforce modifying the network to a star formation and rather manages the network as is.

For more information, click here to download the “Call Routing and Policy Management in Heterogeneous VoIP Networks” White Paper.



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