Use your WAN not the Carrier for your Remote Site

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Replace your Carrier Remote or Mini Carrier Remote with an Avaya Survivable Media Gateway (SMG). The SMG connects to your main PBX through the corporate WAN. Furthermore, the SMG will operate in survival mode during a WAN failure. During a network failure, the SMG will support phone operation by engaging its own CPU. This is something your Carrier Remote cannot do. In addition, the SMG is IP based which means it will register ...

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Enabling AACC Shadowing After 24 Hours

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If your standby server has been out of synchronization for more than 24 hours, you will need to complete the following process to restart AACC 6.4 shadowing. Otherwise, the standby server will fail to synchronize with the active AACC server. Execute one restore at a time; i.e. ADMIN, CCMS, and CCT.

The procedure listed below avoids corrupting the standby server’s Backup Locations Directory by restoring one database at a time:

  • Make sure you have a recent backup from your active server; preferable ...
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VTC Video Conferencing Rules for Palo Alto Firewall

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If you have a Cisco Telepresence VCS Expressway or a legacy Tandberg Border Controller or even an MCU behind a Palo Alto Firewall there are several Application based objects needed to be in your Outbound and Inbound Security policy.

  • rtp-base
  • rtcp
  • h.225
  • h.245
  • h.323
  • sip
  • rtp

Normally the logs will show which ports are being denied by the clean up rule. Depending on the type of Firewall, you might need to create an object with a certain udp range. There are also cases where a VTC endpoint is ...

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Security Today

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Security Today is extremely complex and yet simple to bypass for a willing mind with enough time and computer power to exploit vulnerabilities that may or may not be accounted for per your internal security or IT operations team.

The multi-layered threat, with many mutations within the attack surface, has increased significantly from the Virus age to nowadays application-focused threats. With this in mind we ought to think that the tools protecting us at the endpoint and through our network security ...

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Cisco TMS Telepresence Management Suite Upgrade & Install from 13.0 to 14.6

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If you have an old version of TMS (13.0) running on an unsupported Windows Server 2003, here is a very extensive procedure to upgrade it to TMS version 13.2, do Database recovery, restore and conversion, and migration to a new Windows 2012 R2 system running on SQL Server Express 2012. The final step was to upgrade to the TMS version 14.6.

First big issue I ran into was the 2008 SQL Express server “SA” password provided by the previous SQL Administrator ...

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Next Generation Firewall Overview with Glimpse of Application Identification

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“I am not an advocate for frequent changes in laws and constitutions, but laws and institutions must go hand in hand with the progress of the human mind. As that becomes more developed, more enlightened, as new discoveries are made, new truths discovered and manners and opinions change, with the change of circumstances, institutions must advance also to keep pace with the times. We might as well require a man to wear still the coat which fitted him when a ...

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ICMP Security

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This is a draft guide to handling ICMP securely.

Guide Analysis to Handling ICMP protocol

Summary:

This guide is an attempt to help answer common questions related to the handling of ICMP protocol in a secure and effective manner. Comments and feedback is always welcomed. This article is meant to cover the major area in which there may be questions on how to handle ICMP and what specifically should we allow in each particular condition which will also allow for ...

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