Network Voice

4Sight offers a complete range of calls & lines options, all on highly competitive tariffs, guaranteeing your organisation the right solution at the right price. Our comprehensive portfolio of business line types includes analogue, ISDN and SIP Trunks.

  • Wholesale call tariffs and line rental rates
  • Dedicated Account Management
  • Keep your existing telephone numbers
  • Local, business and non-geo numbers available

Migrate to SIP

SIP trunking is a standards based replacement for traditional ISDN that offers savings of up to 50%, flexibity in call management and routing with real time control and a host of great resiliency and business continuity features.

Our SIP partner, Gamma, are the leading SIP Trunk provider in the UK. The combined experience of 4sight and Gamma delivers a truly exceptional level of understanding and service delivery to our clients and our simple and transparent billing tariffs provide our clients peace of mind that they are getting great value for money.

Competitive ISDN services

We have a full complement of ISDN services on offer for our clients. Our team of experts will work with you to define the requirement and manage your orders through to completion

Delivered through our partnership with Gamma all of the ISDN services are supported by a national network of interconnects with all the major providers – among them are BT, Cable & Wireless, Virgin Media, Talk Talk, EE, and T-Systems which enable us to offer the very best service and pricing.

Call Tariffs from 4Sight

We offer a full audit and comparison service for our clients and prospective customers. We can demonstrate how making your call tariff simple and easy to understand and then linking it to our base cost we can deliver a solution that is highly competitive today and throughout the term of your agreement with us.

We do not over contract our clients as we believe there is no need to tie you in for long periods of time. It is our mission and our belief that providing an exceptional service and great value earns the commitment of our customers. Why not contact us today and learn more about our services and how we can work together.

Contact a Communications Specialist

We would welcome the opportunity to speak to you about any upcoming projects or challenges you may be facing. To speak to one of our Communications Specialists call us on 020 3668 0444, alternatively please fill out the contact form
below and we will get back to you.