Phil Hochmuth

While large IP PBX vendors continue to build on server-based platforms, some international vendors are taking more unique approaches to small-business VoIP systems.Among the...

Cisco Systems Inc. this week warned of several vulnerabilities in its IOS software that could be used by attackers to bring down routers in enterprise and service provider networks. The three separate software flaws are related to Border Gateway Protocol (BGP), Multi Protocol Label Switching (MPLS) and IPv6. Two of the three bugs present the opportunity for an outside attacker to send a specially crafted packet, which would disrupt the router and cause it to reload. Attackers could use this technique repeatedly to mount a denial-of-service attack on the router.

Cisco Systems Inc. warned this week that an IOS software glitch could leave VoIP-enabled routers vulnerable to attack.The software flaw affects only Cisco routers running IOS Telephony Services, CallManager Express or Survivable Remote Site Telephony (SRST). These services use Cisco

Buyout of wireless LAN switch vendor follows weeks of speculation that the networking giant was shopping for one.

Avaya Inc. last month launched Version 2.0 of its Modular Messaging voice mail platform, with unified messaging features and support for more users on a single IP-based server.

Industrial wireless start-up Dust Networks Inc. launched its company and products in September, which are aimed at networking factory-floor equipment and other hard-to-connect devices via wireless mesh-network technology.

While Cisco Systems Inc. and Juniper Networks Inc. gear up for a fight over integrated WAN routers, Tasman Networks Inc. is looking to jump into the fray with new boxes that combine access with security and other services.

The US$16 million deal would give Cisco products and technology designed to tie together various network devices and manage them as a single system.