High Availability Distributed Services

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High Availability Distributed Services

Quorum and Gerrymandering : Thoughts on managing failover in a distributed HA system

03 May 2017 by voxbit-admin

Defining Quorum Quorum is defined as the number of voters necessary to carry an election or vote.  We would like to ensure that all services carry on functioning  under various…

SIP Diagnostics and Quality of Service

Diagnosing SIP issues: one way audio, gaps in sound, registration errors, SIP ALG

26 April 2017 by voxbit-admin

Session Initiation Protocol (SIP) can get quite complicated, especially when products from different suppliers are mixed.  SIP issues are difficult to diagnose! A SIP call relies on DNS, NTP, routers, switches, SIP…

SIP and Asterisk Security: Combating fraud, Artificially Inflated Traffic, Brute Force Attacks ...

Introduction to VoIP Security. Managing Risk of Telecom Fraud, Brute Force Attacks and Call Interception

26 April 2017 by voxbit-admin

There are many aspects to phone system security which apply to both traditional and internet based telephony. Voice over IP (VoIP) systems bring additional threats, but offer some mitigations.In this…