The 3Com NBX 100 supports up to 200 devices/100 PSTN lines. It connects your remote workers directly through their Internet router, and reliably connects multiple intra-company sites - across town or around the globe - with low-cost IP virtual tie lines. Adding locations and capacity is easy: the 3Com NBX 100 and Super Stack 3 NBX telephony solutions both use the same system software. The award-winning 3Com NBX 100 phone system delivers crystal-clear, toll-quality voice communications. It brings 10/100 Mbps performance to user's worktops, and is radically simple to use. It delivers the benefits of voice-over-IP (VoIP) and advanced voice messaging - without the high costs and operational complexity of TDM PBX or proprietary IP systems. It ensures high system availability with the Wind River VxWorks real-time operating system (also used in pacemakers and artificial hearts), so server and PC downtime does not impact your telephone service; Has powerful call-processing features built in: voice mail, automated attendant, hunt/call groups, call detail reporting, computer telephony integration (CTI), PC-based visual voice mail/email clients (IMAP4), and more; Easily integrates a wide range of off-the-shelf applications, including customer relationship management (CRM), call centers, and speech recognition. 3Com NBX Solution Providers Program delivers a broad range of productivity-enhancing applications for use with 3Com voice solution platforms. Software-based 3Com NBX WAV application ports make TAPI/WAV CTI affordable. 3Com simplifies voice mail message exchange between sites with optional 3Com NBX VPIM Multisite Messaging Exchange; offers an extensive range of multisite voice networking options: 3Com NBX IP Virtual Tie Lines, NBX ConneXtions H.323 gateway software, and T1/E1 PRI/Q.SIG; Supports telecommuters and remote access users with optional 3Com NBX IP licenses; Simplifies day-to-day operation with Web-based administration and user programming Can eliminate the cost and administrative overhead of two separate networks for data and voice.