Allow easy interoperation with or migration to/from existing systems
Reduce network complexity, easy to apply and very cost-efficient
Based on donor radios why integration to foreign network is not required
Provide radio users with a very comprehensive feature set
Bridging is commonly used for interconnecting two non-compatible networks. These can be networks of different technologies or networks of the same technology but from various providers. Bridging allows users from different networks to communicate with each other or even move back and forth between their home network and hte foreign network.
DAMM offers two bridging solutions to provide total communications flexibility.
DAMM TetraFlex® Group Bridge enables group calls between TETRA, DMR and/or analog networks, creating valuable interoperability between many different systems.
DAMM TetraFlex® Network Bridge enables extension of existing TETRA networks from other suppliers, allowing individual and group communication across networks.
Migration from old to new
If replacing an existing PMR network with a new DAMM infrastructure, the DAMM Group Bridge can be used to offer joint group calls between users from the old and the new network. This will allow migration to the new technology over a longer period of time, in a fully controlled manner. This flexibility is especially important for large networks or if the end-user equipment is installed in vehicles, which can complicate a quick migration.
Group communication between networks
In some cases, various technologies have been deployed to serve end-users, who have different communication needs, and there is no intention to migrate them to a single, unified network. The DAMM Group Bridge allows smooth PTT group communication across different networks of any technology. Note that if two networks use the same frequency band and technology (TETRA or DMR), users may even move between these networks, provided that they have been provisioned locally in both networks.
Expansion of an existing TETRA network
If you have a TETRA network from another supplier you can easily end up in a vendor lock-in, as some deployments do not support the standardised Inter System Interface (ISI). With the DAMM Network Bridge, an existing TETRA network from any supplier can be extended with the DAMM base stations. The network bridge allows individual calls, group calls, messaging and roaming as if on one single network and is very suitable for e.g. railway solutions.
Both the DAMM Group Bridge and Network Bridge are based on donor radios, which means that no integration to the foreign network is required. This is especially useful, when migrating from an old technology, where technical support is not available anymore.
The DAMM bridging solutions are fully integrated to DAMM’s IP-based distributed network architecture. This means that gateway nodes and donor radios can be placed anywhere in the network, which makes deployment really simple.
Extending an existing TETRA network with a DAMM TetraFlex network is easy as it does not require any modifications to the existing network. The Network Bridge will simulate the existing network and allow subscribers to move freely between the networks.
Bridging is commonly used for interconnecting two non-compatible networks - typically networks of different technologies or from various providers, enabling communication between the two networks.
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