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CloneSafe™
Stop fraud without
stopping customers.
RoamFree®
True interoperability
between GSM and
ANSI-41 networks.
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| RoamFree® Interworking
Gateway Product Line |  |
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Business
is global. Network coverage is important.
GSM and ANSI-41 (TDMA, CDMA,
and AMPS) wireless networks are incompatible.
If you are a GSM carrier, you want to offer service coverage
to your subscribers while roaming into ANSI-41 areas.
Synacom Technology's RoamFree® Gateway 100 provides you with
the solution for this problem.
The RoamFree® Gateway 100 eliminates
the problems presented by incompatible network standards by providing seamless
interoperability between ANSI-41 and GSM networks. Wireless carriers now have
a cost-effective method to expand coverage to regions that were formerly off limits.
With the RoamFree® Gateway 100, carriers can offer the following features:
Registration
Call
delivery
Call forwarding
Multiparty
calling
Call waiting
Call barring
Short Message Services (Mobile Origination & Mobile Termination)
Synacom's RoamFree®
Gateway solution also provides fraud containment while
roaming. When used in concert with Synacom's CloneSafe™
Secure Authentication Center (SAC), roaming subscribers
are protected by the industry's most advanced technology against
cloning fraud no matter where they travel.
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RoamFree® Gateway interworking solution | | |
Synacom's RoamFree® Gateway 100 interworking solution
implements protocol conversion, database mapping and transaction
management for all of the functions supported between the
networks as a single, separate network element as shown in
the following figure. It provides an IWF solution that requires
no changes to existing ANSI-41 or GSM networks and can reside
external or internal to either of the networks. The RoamFree®
Gateway appears as the home location register (HLR) to the
ANSI-41 network serving the roaming subscriber, and as the
serving visitor location register (VLR) to the subscriber's
home GSM network.
When subscriber authentication is desired,
the RoamFree® Gateway may be combined with Synacom's CloneSafe™
Secure Authentication Center (SAC™) product to
create a complete interworking and authentication solution,
as shown in the following figure. The CloneSafe™
SAC™, when combined with the CloneSafe™
SAMS™, provides the TIA standard authentication
center (AC) functionality as well as the management of the
subscriber A-keys. To meet the special needs of the GSM to
ANSI-41 roaming market, the
A-Key Management capability, called the RoamFree® Key
Management System feature, now supports the GSM network carrier's
needs and is integrated into the SAC™ platform.
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RoamFree® Gateway Features
Total compatibility between GSM and ANSI-41 is not generally
feasible. However, the RoamFree® Gateway supports a large
number of services with varying levels of seamlessness for
dual-mode GSM/ANSI-41 subscribers. Contact Synacom Technology
for a complete list of features and functions.
The RoamFree® Gateway's user-friendly administration application
provides an intuitive way to provision subscribers and monitor
alarms and system performance.
RoamFree® Gateway hardware
The RoamFree® Gateway system uses the DIGITAL AlphaServer
product family as its hardware computing platform. The AlphaServer
products used in the RoamFree® Gateway system are scaleable,
dependable, open systems that deliver high performance at
an affordable price. Powerful symmetric multiprocessing (SMP)
servers, the AlphaServer systems provide for growth and configuration
flexibility.
The RoamFree® Gateway system
software
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Compaq UNIX operating system |
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The RoamFree® Gateway is built on the
Compaq UNIX operating system, the highest performing,
most scaleable and robust UNIX operating system available
today.
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DECss7 software |
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DECss7 provides the software
to support SS7 signaling capabilities using the TCAP,
SCCP, and MTP SS7 protocol layers.
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DECsafe software |
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The RoamFree® Gateway uses
a software package, called DECsafe, together with an integrated
disk subsystem to create a highly available software and
data system that helps to significantly reduce the RoamFree®
Gateway downtime due to hardware and software failures.
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Oracle database management system |
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The RoamFree® Gateway uses the Oracle
database management system as its database server.
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Fault management |
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The RoamFree® Gateway automatically
monitors hardware and software to detect and correct subsystem
failures. It accomplishes this task with proprietary software
with inputs from DECevent. |
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