SIP Trunks & Leased Bearer Line

East Sussex Healthcare NHS Trust · awarded 18 August 2025

Who

Buyer	East Sussex Healthcare NHS Trust Saint Leonards-on-sea
Supplier	Opus Business Systems Limited T/A Opus Telecoms (Opus)
Category	goods
Classification	Communications infrastructure CPV 32571000
Notice published	19 August 2025

What it is for

These are two network connections that provide internet access to the trust network for use by our VPN service. Our SIP trunk provides all our inbound and out bound telephone calls, all call charges to national and non-premium numbers are included in the cost. A leased line bearer is the maximum bandwidth capacity available on a leased line connection, representing the potential speed of the connection. It's essentially the "pipe" that carries your internet traffic, with the bearer speed indicating the maximum data transfer the line is capable of. SIP trunks are virtual phone lines that utilize internet connections to enable businesses to make and receive phone calls. Additional information: This is a call off contract from framework Crown Commercial Services Framework - Network Services 3 - RM6116

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