With the reliability of ISDN and the flexibility and value of VoIP a Buy Trade Phones ISDN replacement service is the perfect compliment to any business phone system.

Why replace ISDN?

Most new phone systems use IP as a converged technology, reducing complexity, cost and increasing the number of features. Buy Trade Phones offer a SIP Trunking service directly compatible with most new systems and when combined with our Network Access products produce a more flexible cheaper alternative to ISDN and extends the reach of wideband technology beyond the installation site.

Traditional ISDN services are expensive and inflexible. Buy Trade Phones ISDN replacement services allow you to experience the advantages of a Buy Trade Phones SIP Trunk, without having to replace the entire phone system. Advantages such as reduced channel cost line rental, flexible capacity, low cost worldwide call rates, configurable caller ID and per-seat billing are enabled while exceeding the reliability and stability of ISDN when used with Buy Trade Phones Network Access products.

Our SIP gateway solutions are available for H323/SIP, ISDN PRI, ISDN-BRI and POTS based Key Systems, with an option to keep the existing connection into the current operator. This allows for the timely number porting of inbound DDI's. Please contact our pre-sales team for advise.

Buy Trade Phones have products suiting Call Centres and Enterprise systems as well as small and mediums sized PBX's. Please contact us to confirm your requirements.

Cost Savings

Our dedicated VoIP connections can save you up to 65% when compared to traditional ISDN services while offering increased capacity, flexibility and resiliency.

Find out more
E-Mail enquiries@buytradephones.co.uk or call us on 08456582489 to learn more about Buy Trade Phones connectivity options and to get a free site survey to determine your eligibility.