Telecommunications operators are in the process migrating their existing circuit-switched TDM networks to IP networks.
These existing networks were often subject to heavy investments in previous decades, and therefore the transition to the new IP networks is considered as a challenging task that cannot be performed instantly.
Benefits for operators
- Lower maintenance costs for existing equipment,
- Easy and inexpensive implementation of new services,
- Quick migration of the transport network to the IP network,
- Possibilities for new business models.
In Iskratel’s migration scenario, the existing TDM exchange is fully replaced by a highly scalable and adaptable SI3000 Multi-Service Control Node (MSCN). The integration of the SI3000 MSCN into an existing network is the basic requirement for the replacement of an existing Class 4/Class 5 TDM exchange. With its composition, interfaces and functionalities it enables a further network development as well as the provision of new services. The evolution of the operator’s network and the development of the operator’s business strategies are made possible as a result.
The replacement process takes place in manageable steps and with the guaranteed preservation of previous investments and already implemented services. The SI3000 MSCN, which replaces an old TDM exchange, provides a connection to the existing TDM transit and TDM access network and an effective integration with the existing OSS/BSS systems.
Preservation of the existing services
This migration process reassures operators that all the services that were available in the network prior to migration will still be operating after the migration. Services such as:
toll free, premium-rate charging, attendant positions of international and national operators, televoting, network Centrex, CCBS/CCNR network services, voice mail and others will remain uninterrupted.
The same rule applies to the regulatory services, such as:
carrier selection/preselection, number portability, provision of call completion in emergency situations, calls to emergency services (police, ambulance, etc.), lawful interception (ETSI LI) and legal monitoring.
The SI3000 MSCN provides and preserves all of the above-listed services, thus guaranteeing the operators an easy and reliable migration. In addition, the SI3000 MSCN allows for a gradual step-by-step migration to IMS based on the required services.
Safe migration procedure
Iskratel recommends that the migration takes place in gradual steps. In this way, the threat of service failure and a failure to provide services to important clients is greatly reduced. Such a migration method guarantees operation without loss of income and with subscriber satisfaction preserved.
Iskratel is a highly skilled and experienced partner for migration implementations and is capable of performing demanding network-transformations projects. A good cooperation between the operator and vendor is the key success factor for an uninterrupted migration process.