ISDN30 is a type of Integrated Service Digital Network system that is used for the transmission of voice and data over wires. ISDN30 is one of the most economical and efficient communication systems, used in medium as well as large businesses. We include a free internal ISDN cards inside our ISDN Phone System offers.
Telefonix Voice & Data is now offering free installation of business phone lines saving you hundreds of pounds in upfront charges by signing up to our lines for a number of years. We have a great choice of 1, 3 or 5 year contracts on all types of business telephone lines. This enables you to select the most commercially attractive offer to suit your business. New ISDN30 lines are available on a 1 year contract with an initial installation charge and our low monthly rental, or a 3 year contract with free installation and a slightly higher monthly rental, or a 5 year contract with free installation AND our low monthly rental. All options provide very large savings over the BT ISDN30 cost.
| ISDN30 | |||||||||
| Channels | Setup | Rent | Setup | Rent | Setup | Rent | |||
| Cost | PCM | You Save | Cost | PCM | You Save | Cost | PCM | You Save | |
| PC | PC | PC | |||||||
| 8 channels ISDN30 | £920 | £13.67 | £609.28 | Free | £17.67 | £570.88 | Free | £13.67 | £2,444.80 |
| 10 channels ISDN30 | £1,150 | £13.67 | £761.60 | Free | £17.67 | £713.60 | Free | £13.67 | £3,056.00 |
| 12 channels ISDN30 | £1,380 | £13.67 | £913.92 | Free | £17.67 | £856.32 | Free | £13.67 | £3,667.20 |
| 14 channels ISDN30 | £1,610 | £13.67 | £1,276.24 | Free | £17.67 | £999.04 | Free | £13.67 | £4,278.40 |
| 16 channels ISDN30 | £1,755 | £13.67 | £1,198.56 | Free | £17.67 | £1,076.76 | Free | £13.67 | £4,824.60 |
| 18 channels ISDN30 | £1,815 | £13.67 | £1,310.88 | Free | £17.67 | £1,089.48 | Free | £13.67 | £5,305.80 |
| 20 channels ISDN30 | £1,875 | £13.67 | £1,423.20 | Free | £17.67 | £1,102.20 | Free | £13.67 | £5,787.00 |
| 22 channels ISDN30 | £1,935 | £13.67 | £1,535.52 | Free | £17.67 | £1,114.92 | Free | £13.67 | £6,749.40 |
| 24 channels ISDN30 | £1,995 | £13.67 | £1,647.84 | Free | £17.67 | £1,127.64 | Free | £13.67 | £6,749.40 |
| 26 channels ISDN30 | £2,055 | £13.67 | £1,760.16 | Free | £17.67 | £1,140.36 | Free | £13.67 | £7,230.60 |
| 28 channels ISDN30 | £2,115 | £13.67 | £1,872.48 | Free | £17.67 | £1,153.08 | Free | £13.67 | £7,711.80 |
| 30 channels ISDN30 | £2,175 | £13.67 | £1,984.80 | Free | £17.67 | £1,165.80 | Free | £13.67 | £8,193.00 |
ISDN 30 gives you many benefits as your business connectivity option. You can subscribe for more additional services as per your requirement. These additional services may include Call Diversion, Diverse Routing, Calling Line Identification (CLI) and Prompt Care maintenance.

Telefonix Voice & Data
3 Albany Park, Camberley,
Surrey GU167QR, England
Tel: +44 01252 333 888
Company Reg: 04351046