ISDN & Sip Trunks
21st Century Telecoms
Advanced digital phone services for use with PBX's.
- When comparing against other provides please remember that all our packages are on a 1 month contract, all calls* are billed per second and we only have UK based support staff.
- UK calls only 1p per minute, international calls from 5p per minute. click here for full details of call charges and inclusive usage packages
ISDN2e ISDN30e Sip Trunk One Off Connection Costs Connection Charge £200.00 per line (2 channels) £920.00 bearer installation + £10 per channel Transfer Charge Free Free DDI Planning Charge £85.00 £85.00 DDI Connection Charge Per Number £1.00 £1.00 £1.00 Monthly Rental Costs Rental Charge Per Channel £12.50 £12.50 £5.00 DDI Rental Per Number £1.00 £1.00 £1.00 Place Order Transfer Transfer Order Order
- All prices exclude vat and are for payment by Direct Debit.
- Sip trunks only suitable for connecting to authorised equipment, Click Here to view latest list
- You are responsible for connecting the ISDN sockets/bearer to your equipment.
- ISDN prices do not include any Excess Construction Charges that may be charged in exception circumstances, we will advise of any such charges prior to installation
- For best SIP trunk quality we recommend you have at least 100k in both directions for each channel on a dedicated priority ADSL circuit or an Ether Pro leased line.