If your business has multiple sites with 3Com® NBX® solutions, an NBX IP Virtual Tie Line license will let you make and receive calls between sites over your data network—as easily across the country as down the hall. Dramatically reduce intra-company toll call charges and simultaneously improve customer service with a seamless transfer of calls between sites.

• Provides radically simple multisite tie line connectivity over IP
• Transfers calls to other sites seamlessly—customers no longer need to hang up and redial
• Reduces or eliminates toll-call charges between your locations
• Easy to use—does not require multistep transfer schemes or hard-to-remember codes
• Is an economical replacement for dedicated voice-only OPX or tie line circuits used by traditional PBXs
• Supports hop-on and hop-off with Class of Service restrictions
• Allows creation of a uniform dial plan for multiple locations
• Requires no external servers or transcoding gateways (is homogenous NBX-to-NBX signaling over IP)
• Compatible with 3Com NBX solutions with R4.0 or later system software
• The 3Com NBX 100 solution supports up to eight tie-line ports
• The 3Com SuperStack® 3 NBX solution supports up to 48 tie-line ports