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An NRTRDE system enables roaming pass. Added to which, new prob-
partners to send Call Detail Records lems are appearing with NGNs.
(CDRs), to their respective home
networks and to receive their own In the triple-play scenario, where
subscribers' roaming information service transactions require two or
from other networks. On receipt of more networks for successful comple-
CDRs from the roaming partner, an tion, participant networks share
NRTRDE system sorts and trans- the revenue stream by charging
lates them into a customisable fraud- the retailer for completion or transit
management system format and of the transaction across their
routes them back in near real-time. networks. In theory this process
works. However, interconnect settle-
In next generation networks, which ment normally occurs on a whole-
guarantee anytime and anywhere sale basis, dictated by the opera-
service, handling CDRs in the tor’s typically monthly billing cycle.
roaming scenario poses a big chal-
lenge for operators. The introduc- Waiting for a complete billing cycle
tion and worldwide acceptance of before recognising interconnect
CAMEL (Customized Application of fraud is now unacceptable. Weekly
Mobile Enhanced Logic), in support or even daily reporting is replacing
of prepaid roaming, combined with this process, enabling operators
growing demand for GPRS roaming, to report on each partner’s settle-
has given new meaning to roaming ment and quickly identify any inter-
services and may increase revenue if connect fraud to minimise further
operators can charge appropriately. losses with particular partners.
Unfortunately most are unable to
manage such new services, resulting In the face of commoditised voice
in revenue losses and market and data revenues and a climate
share in these fast-moving fields. of economic downturn, opera-
tors must fiercely protect all reve-
Interconnect fraud
nues. Revenue assurance and
fraud prevention are just two areas
where operators can make a signif-
With the increase in the number icant difference to the bottom-line.
of telcos worldwide, interconnect These processes increasingly must
charges account for more than 50% work in real-time across interna-
of most operators' ongoing costs. tional boundaries; 36 hour delays
The biggest individual monthly or waiting for an entire billing cycle
bills are derived from interconnect are no longer acceptable practices.
traffic making it imperative for oper-
ators to have accurate intercon- To avoid pricing and billing
nect billing and fraud detection in errors, revenue assurance proce-
this multi-carrier environment. dures must be more robust
and deeply integrated across
Interconnect fraud could become as the entire network.
costly as roaming fraud. Demand
for triple play offerings is likely to No operator wants to admit to
increase, driving operators to imple- losing millions to fraud or leakage
ment new services, which requires due to poor processes. The
partnership with a proliferating answer is to invest immediately
number of service providers. in tools to measure the extent
of and then reduce losses.
Telcos are already strug-
gling with detection and preven- Hamid Modarressi is MD of
tion of interconnect frauds like advanced services, architecture
refilling, cherry-picking and by- strategy and solutions at Aricent
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