Vertex Caller ID for VoIP. Voice over Internet Protocol

Vertex Caller ID for VoIP. Voice over Internet Protocol  Select the numbers of lines and qty  Available 2, 4, 6, 8, 10, 15 and 20 lines Collects all Inbound and Outbound call information on Voice over Internet Protocol (VoIP) phone traffic. The output data format matches our Whozz Calling? analog devices, providing software compatibility across product lines. This device is a passive network packet sniffer or "network tap". All VoIP traffic of interest flows through the unit, while circuitry connected in parallel with the Ethernet transmit and receive pairs inspect data packets. This failsafe approach provides uninterrupted voice transmission, regardless of whether the Vertex is operational. The Vertex is designed to work only with standard, non-encrypted, SIP (Session Initiation Protocol) signaling from the VoIP provider. Although most VoIP providers use unencrypted SIP, please verify with your provider before ordering. Pricing is licensed based. Caller ID will be displayed for the l