A fabulous appliance: PEPLINK LOAD BALANCE 200/300

PePLink offers the only affordable link load balancers (dual-WAN and multi-WAN routers) with advanced, enterprise-grade features.

Features Benefits

Link Aggregation & Load Balance Faster, more reliable Internet made easy.
Drop-in Mode Easy, transparent installation
Integrated DNS Support of NS, A, MX, CNAME and TXT records
VoIP, SIP, and Vonage® Support Fully compatible with major SIP-based VoIP
providers. Enjoy your calls.
QoS for VoIP Better and clearer sound quality for your voice calls. Session Binding Compatible with secure web, e-banking, and other
applications.
Inbound Load Balancing Optimal use of two or more WAN links for incoming
requests to your servers.
Hardware High Availability Utmost service protection by deploying two
PePLink Balance devices side-by-side with VRRP

AVAYA IP500: New generation of PABX by AVAYA

IP500 is the next generation of the IP Office, designed to meet the needs of small to medium sized businesses. Supporting a range of trunk configurations, including SIP, IP500 will scale from 2 to 272 users. IP500 supports IP Office v4 software, offers a range of voice and data features and is well suited to installations of an IP-Centric nature. Due to its modular design, the solution can scale from 2 to 360 extensions to meet the needs of home offices, standalone businesses, networked branches and head offices. Built on Avaya's latest advancements in converged voice and data technology, small to mid-sized businesses can benefit from many of the advantages sophisticated communications deliver to their operations.

Microsoft Office Comm Server: feature glut, proprietary, pricey, and too Enterprise-centric by ZDNet's Russell Shaw -- During "Unified Communications Day" in San Francisco, Microsoft announced that a new Office Communications Server 2007 would bundle voice (including presence-based VoIP call management), video, IM and email into a single enterprise applications platform. Additionally, Office Communications Server 2007 will contain the Microsoft Office Communicator 2007 client -which will in turn, offer a VoIP softphone. Pardon me [...]