Complete Calls & Lines
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Mainstream Digital’s Complete Calls and Lines service provides a quality comprehensive business telephony service for your company’s communications. When you commit long term to using the Mainstream Complete Service, we reward you by supplying many enhanced services.

Please refer to the individual service detail for more information on each of the Mainstream services to aid your business.

Losing your ability to make and receive calls isn’t just an inconvenience. It can mean a failure to meet your own quality targets, may cause your customers failure to meet theirs, not to mention the possible financial implications.
Mainstream operates it's network only via BT so you have the security of having no other carrier involvement.  Because of this you can migrate any BT lines that are still in contract with BT to Mainstream without penalty (subject to conditions).   With 30 ye...
Mainstream Digital operates a single UK based point of contact, on a free phone number so you do not have to deal with overseas call centres via multiple numbers.
Business Assist gives you the 'peace of mind' to go about your business, safe in the knowledge that in the event of a problem on your analogue, digital ISDN voice lines or your fax line, one call will invoke the unique Mainstream Business Assist service.   Bu...
With over 20 years of experience in telecommunications and data networking we recognise that customers like to know what they are getting and not be surprised by hidden extras.  To help our customers we provide a number of inclusive services with our Calls and Lines packages. &...
We offer Business Continuity to all of our ISDN customers as standard, giving you a variety of divert options in the event of a fault. One phone call and Mainstream will invoke your business continuity plan.  Before we provide the ISDN lines we will ask you to detail your call divert opti...
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