Vertical SBX four port VoIP gateway card providing the last 4 IP channels for VoIP lines, IP telephone support or multi-site networking. This card is installed in the main cabinet and may only be added after the first VoIP card Model 4037-00 is in the system. One per system.
Telco Depot offers VoIP line service configured specifically for the Vertical SBX. Please call Telco Depot at 800-390-1200 and speak to a Sales Consultant for details.