251 Results for:SIP
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Cisco, Nortel frontrunners in Avaya acquisition rumors
31 May 2007Cisco and Nortel are said to be amongst those circling the still-live body of VoIP vendor Avaya, but analysts disagree on which, and why. Read More
VoIP startup untethers would-be mobile workers from wireline office phones
06 Sep 2006VoIP startup DiVitas Networks has voice-over-WiFi-to-cellular technology in the works that gives endusers access to enterprise apps and puts dual-mode handset management in the hands of network administrators. Read More
VoIP startup untethers would-be mobile workers from wireline office phones
06 Sep 2006VoIP startup DiVitas Networks has voice-over-WiFi-to-cellular technology in the works that gives endusers access to enterprise apps and puts dual-mode handset management in the hands of network administrators. Read More
Microsoft unveils unified communications devices
22 May 2007Microsoft unveils unified communications devices. Read More
Column: The myths and realities of VoIP security
01 Oct 2006Security is often cited as one of the primary reasons organizations have not deployed VoIP. The biggest VoIP security threat is not making headlines. Zeus Kerravala, Yankee Group analyst, cuts through the hype so ... Read More
Top disaster recovery tips for protecting your VoIP systems
26 Feb 2009Voice over IP (VoIP) technology is the principal technology for supporting converged or unified communications. This tip discusses how converging voice and data in an all-IP environment gives businesses ... Read More
WAN optimization and bottlenecks: Is the WAN really the weakest link?
06 Jul 2006"How much traffic" is no longer a good enough measure of WAN bandwidth. In this tip, Carrie Higbie looks at how today's ever-increasing expectations for data transfer rates require increased attention to WAN ... Read More
Cisco IP Communications Express: CallManager Express with Cisco Unity Express
16 Sep 2007Creating an intercom network between IP phones that support speakerphone capabilities is a relatively painless process when using Cisco CallManager Express. Read More
Disaster recovery and business continuity fundamentals
06 Aug 2007The importance of disaster recovery and business continuity planning has been underscored in the wake of Hurricane Katrina, the Avian flu and 9/11. As important as maintaining continuous communications in a ... Read More
VoIP security fundamentals
17 May 2007VoIP security is a challenge for IT staff because IP telephony brings with it not only the security problems of data networks but also new threats specific to VoIP. In this fundamentals guide, learn about network ... Read More