251 Results for:SIP
- Sort by:
What is the difference between H.248 and H.323 protocols?
19 Dec 2013H.248 and H.323 are protocols associated with VoIP. IP telephony expert Jon Arnold explains the difference between the two in this expert response. Read More
It was more than user input error that caused the Amazon S3 outage
04 Apr 2017Maybe there was an input error during some daytime troubleshooting, but input error was not what caused the Amazon S3 outage. Read More
Manipulating VoIP Security
20 May 2007This tip provides an extensive list of sites that track and document VoIP attack tools. Read More
Enterprise VoIP platforms provide UC functionality in a single system
07 Jan 2019The shift toward mobile workforces has dramatically changed how VoIP is deployed. Learn about three popular VoIP deployment models and use case scenarios and how VoIP is only a single component in a much larger ... Read More
Beyond Asterisk -- Other open source PBXs
31 Jul 2007Asterisk is the most widely known open source PBX, but other developers are making competitive products in the unified communications market. Learn more in this tip from Gary Audin. Read More
ISDN’s days are numbered: What should you do?
03 Nov 2016With BT Wholesale having announced that from 2020 you will no longer be able to purchase integrated services digital network (ISDN) and public switched telephone network (PSTN) circuits as it ... Read More
Enabling Unified Messaging mailboxes and users
13 Jan 2009When Unified Messaging is deployed in an Exchange 2007 environment, the Exchange Recipient Administrator can configure UM mailbox-enabled users and begin to allow email, voicemail and faxes to be delivered to their... Read More
Job Bag makes the move to VoIP
14 Sep 2011Sydney software developer Job Bag has upgraded to a shiny new VoIP PABX and is loving the results Read More
VoIP security -- Free IP telephony fuzzing tools
06 May 2007Protect your organization's VoIP security with free VoIP security tools designed to test IP telephony vulnerability. Read More
What are the current SD-WAN options for enterprises?
19 Sep 2018Software-defined wide area networking is well on its way to being a multi-billion dollar market. We assess the current state of the market and look at some of the options for enterprise CIOs and network managers Read More