NexOSS-FC is the total fraud management package.Powered by SIP Analy�cs,® NexOSS-FC detects fraud beforeit enters your network!

SIP ANALYTICS®FRAUD DETECTION

FEATURES

Fraud Detec�on Call Blocking Call Diversion Fraud Blacklist Fraud Scoring

Host Server Specs Opera�ng System: Redhat Enterprise Server V6 CentOS V6

VMware ESXi V5 CPU: Intel 8 cores RAM 32 gb

NexOSS-FC scores each SIP INVITE for fraud poten�al before it enters your network. SIP Analy�cs® uses the same techniques as CDR analy�cs, such as historical analysis and adap�ve learning. However, SIP Analy�cs® is much faster and uses SIP header informa�on, not available in CDRs, for smarter fraud detec�on with fewer false posi�ves.

NexOSS-FC can complement any SBC or so�switch and can provide fraud detec�on for any SIP device. When a SIP call arrives at the SBC, the SBC forwards the call to NexOSS-FC. NexOSS-FC responds in less than a millisecond with instruc�ons to route the call as normal, block the call, or divert the call.

Your Complete Fraud Solu�on

HOW SIP ANALYTICS® WORKS

• Inbound SIP INVITE to the SBC

• SBC local rou�ng is configured to route every call to NexOSS-FC fraud server as the first des�na�on. The SBC local rou�ng includes the so�switch as the second rou�ng choice in its local rou�ng.

• NexOSS analyzes the call for fraud and returns three possible responses: 1. No fraud - Route call 2. Fraud - Block call 3. Fraud - Divert call

NexOSS-FC

730 Peachtree Street NE, Suite 470, Atlanta, Georgia 30308 p: 1.404.526.6060 e: info@transnexus.com

About TransNexus

TransNexus was founded in 1997 as a so�ware development

company specializing in applica�ons for managing

VoIP networks. Our VoIP management and fraud solu�ons are used by service

providers and enterprises around the globe. Visit transnexus.com

or call us at 1.404.526.6060to learn more.

“We appreciate vendors such as TransNexus that are nimble and focused. TransNexus has always been very responsive to our technical support needs and requests for new features. TransNexus is the only vendor that

we have found to integrate rou�ng and telecom fraud control in a single solu�on.”Director of Engineering, ACN

FRAUD BLOCKED THROUGH VOICE CAPTCHA

TransNexus has created a voice captcha gateway to screen robocalls. Suspected robocalls are diverted to the captcha gateway. At the gateway, the caller will be prompted to enter a random two-digit code. This enables companies to block robocalls but not inadvertently block calls that aren’t fraud.

If NexOSS-FC detects fraud, it will return a SIP 603 Decline message to the SBC. The default behavior of most SBCs will be to block the call and proxy the 603 message back to the call source. However, NexOSS-FC can be configured to return any SIP code when fraud is detected. Call blocking is op�onal.

FRAUD BLOCKED

When a fraud trigger is ac�vated, the event will be logged and the call may be blocked or diverted depending on how the fraud trigger is configured. When a fraud trigger is ac�vated, an alert with details about the ac�vated trigger can be sent by email or SNMP or both.

NO FRAUD FOUND

NexOSS-FC examines the source signaling IP address, source media IP address, calling number, called number and SIP user agent to determine if the call should be blocked. If no fraud is detected, NexOSS-FC returns a SIP 404 "no route found" message to the SBC. The default behavior of the SBC is to route to the next des�na�on in its local rou�ng table.