Brief MOVIE showing Liberator via the DBManager and MOVIE showing PRI and BRI interface options.




PRI BRI conversion diagram.
Drop and Insert diagrams.
Carrier Delivery apps page.
Product highlights.


Frequently Asked Questions

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isdn pri to bri conversion

Click on diagrams to see before/after

ISDN PRI to BRI Conversion

Convert or concentrate one or more ISDN PRI ports to multiple BRI ISDN interfaces. Supports up to 16 BRI and 3 PRI. Service local PRI devices as well.

Application Note a[78k]


isdn pri to bri conversion

Convert multiple BRIs into one or more PRIs

Deliver PRI, Fractional PRI and/or E1 to your CPE using low-cost BRI network access.


ISDN pri and bri simulator and demo system

ISDN PRI and BRI simulator and demo system

Demonstrate or test ISDN products. Liberator provides a fast, compact solution “in a box”.


Application Note h[76k]


drop and insert add drop mux

VoIP ISDN Migration

Migrate and share ISDN ports. Advanced numbering, number translation and routing features for VoIP.


drop and insert add drop mux

Simplify and enable use of PRI VoIP gateways

“Drop” PRI gateways into existing BRI installations


Use existing ISDN PRIs

Use existing ISDN Pris

Deliver additional ISDN services instead of installing new ISDN BRIs and ISDN PRIs. Utilise and share the existing installed PRI.

Application Note b[75k]


Share a single PRI

Share a single PRI

Two local ISDN PRI devices use a single ISDN PRI network connection. Local ISDN BRI ports can also be provided.

Application Note c[78k]


Performance increases

Performance increases

Reconfigure on a “Time-of Day” basis. Match ISDN network access to changing application requirements. Reduce costs or improve the capacity available, speeding up services and/or improving access.

Application Note d[88k]


Justify leased line backup

Justify leased line backup

Instead of installing and renting ISDN circuits just for use by ISDN Backup units, make the cost-justification easy by sharing some/all of the ISDN with other applications.

Application Note e[78k]


Improve access

Improve access

Improve efficiency, dial in access and increase dial out resources without increasing network costs.

Application Note f[82k]


Pre-book network capacity

Pre-book network capacity

Improve network utilisation and make access more reliable by pre-booking capacity.

Application Note g[78k]


Carrier access switch for PRI

Carrier access switch for PRI

Deliver Fractional E1 and BRI all via a single cable. Low-cost, manageable and a variety of different services over a single circuit.

Application Note i[58k]


Least-Cost routing to a second Carrier

Least-Cost routing to a second Carrier

Support number translation and two networks with the ability to route calls to either.
Application Note j[39k]


Least cost routing using “Carrier Selection”

Liberator provides varied and sophisticated number translation.


Larger Pri Bri chassis system supporting more that 3 Pri and 16 Bri

Larger PRI BRI chassis system supporting more that 3 PRI and 16 BRI

Liberator has a maximum configuration of 3 PRI and 16 BRI ports. Patapsco's DB120 chassis is the next step up in product range.


drop and insert add drop mux

Drop and Insert

Drop and insert mux or multiplexer

Low-cost unit supporting up to 3 E1 or PRI interfaces with optional BRI ports
Application Note [142k]

 
Example applications for isdn pri bri concentrator, backup, sharing for carriers and end users using ISDN and e1 circuits
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The Liberator ISDN conversion, simulator, concentrator and multiplexor range supports different numbers of ISDN PRI and BRI interfaces. The product's flexibility means it addresses a large number of applications and some of these are shown as thumb-nails below.
Click on the diagrams for more information and before/after scenarios.
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