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Lines & Calls | PMS Networks
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ISDN Telephone Lines

ISDN Telephone Lines

Perfect for all businesses where suitable bandwidth is not available for SIP Trunks. ISDN lines allow you to make simultaneous calls and can be provided from a little as two channels.
Planned BT ISDN Switch Off

Planned BT ISDN Switch Off

BT announced that from September 2023 you will no longer be able to purchase ISDN lines, their target date for complete switch off is 2025; there will be a forced migration phase between April and December 2025.


Designed to route over an internet connection, SIP Lines benefit from being geographically independent of any area in the UK. The perfect solution for new installations or upgrade from ISDN.
High Grade, Low Cost Calls

Enhancing your Business’ Connectivity

Discover how PMS Networks end to end business communication can enhance your business. Our comprehensive, bespoke solution provide high grade features to meet the size and budget of small, medium and large enterprise scale organisations. Our flexible, innovative solutions support the traditional office environment and remote working. As communication technology becomes more virtualised and workforces become increasingly mobile talk to the PMS helpdesk today to discuss the future of your business communication.

Call Our Helpdesk Today to Discuss the Future of your Business Communications

Enhanced Productivity

Increase workforce productivity, communication and effectiveness.

Customer Service

Improve customer service by increasing employee responsiveness.

Remote Working

Expand business continuity with remote working.

Cost Effective

Reduce costs in travel, facilities and expenses.

New Territories

Expand into new territories simply and quickly.

Contact PMS Networks

Contact our team today to discuss the most effective package for you.

Say Hello

Contact us Today for a No Obligation Quotation

PMS Networks team are here to help, we supply business telephone systems, lines and calls, business broadband, cabling and wifi to a range of businesses across all sectors nationwide. Our unrivalled reputation for customer service excellence and 20 years expertise make PMS Networks your choice for high quality telecommunication services.

Address: PMS Networks Ltd,
106 Carver Street,
Birmingham, B1 3AP

Phone: 0121 200 8949