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Securing Cisco IP Telephony Networks
book

Securing Cisco IP Telephony Networks

by Akhil Behl
August 2012
Intermediate to advanced content levelIntermediate to advanced
696 pages
17h 26m
English
Cisco Press
Content preview from Securing Cisco IP Telephony Networks

Chapter 12. Cisco Voice Gateway Security

It is a peaceful morning and a fine day at the office. You are checking your e-mails, and there is one from your Telco helpdesk team about your organization XYZ’s previous month’s telephone bill. You open the e-mail, only to be shocked by the net payable amount of your PSTN bill! It shot through the roof, in the order of a five-digit figure. Stunned? Well, time to wake up to acknowledge that someone hacked your voice gateways and was spending hours chatting with his friends or talking with his fiancé overseas.

To dissuade such a situation, you must ensure that you implement the right security controls in your IP Telephony setup. Toll fraud has been an issue ever since the POTS days, and with the emergence ...

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Publisher Resources

ISBN: 9780132731096Purchase book