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Description Customers have been experiencing phantom calls with "Unavailable" caller ID. When escalated to ESI HS, the calls do not appear on the Hosted Switches. Such call tends to ring extension 100 and have no audio. Please read the attached d...
INTRODUCTION In the increasingly fast-paced landscape of Voice-over-IP (VoIP) it is more important than ever for ESI partners to help defend customer networks against unauthorized access and internet threats. The freedom of VoIP lets you have remote emp...
The purpose of this bulletin is to set forth a set of best practices when preparing a site to utilize SIP trunks.   The root cause of hacked calls is an attack on the system by hackers; individuals or groups using sophisticated scanning and assault to...
SONICWALL CONFIGURATION GUIDE In working with several resellers on configurations for the popular Sonicwall product, we have put together guides to assist in setup. The documents attached are for configuring with SIP trunks andr for Hosted (Cloud) ...
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