Welcome to my new site - VoIP Security

The main idea is to carry on from my old site (Telecom Pages) and offer help and advice, where possible, to anyone involved in the telecom trade, particularly the ones involved with Mitel equipment.

However, in view of the recent increase in people hacking into Business Telephone Systems and Voicemail / IVR systems I have decided to bias this site toward security issues and vulnerability analysis, hence the name change to VoIP Security.

At the moment all the work on this site is my own but if anyone feels that they would like to contribute just drop me a line.


Please remember if you want access to downloads etc you will have to create an account and sign in.

 
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TCP Ports Used By The 5550 Console

Keypad to Console PC TCP port usage: The Keypad will use TCP port 6900 to establish a socket connection to the IP...

How To get back to the default system gr…

How To get back to the default system greetings

If the Primary set greeting has been overwritten, and a backup is not available prior to the changes, the alternatives are, to either rebuild the system, or use the following...

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PBX Security Best Practice

Toll Fraud over Hacked Voicemail Systems Over recent months the telecom industry has received many reports of increased Phreaking (Telephone System Hacking) activity, where customers are reporting that they are being...

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Analogue Trunk Line Conditions

Analogue Line Conditions Idle In this state no calls are in progress and there is no ring signal present. A nominal 50 volts DC can be measured on the line. Off-Hook condition The...

Polycom 7000 on Mitel 3300 R 9.0.3.15

Polycom 7000 on Mitel 3300 R 9.0.3.15

IMPORTANT NOTE   The Polycom 7000 Conference unit is a SIP device not a Mitel Desktop device therefore it does not understand the VLAN Tagging settings sent from the DHCP Server.Therefore...

Premium Rate Telephone Numbers

Premium Rate Telephone Numbers

Premium rate telephone numbers are for telephone calls during which information services are provided, which attract higher than normal charges, hence their popularity with criminals who indulge in toll fraud...


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