At Radianz we appreciate the trust you have placed in us and will ensure that we are always available to support your business.

Should an event arise where you require heightened visibility from our management team, please feel free to contact us per the matrices shown below.

1. Incident Management & Escalation Contacts

24/7 Service Desk

GSC (Global Service Centre) 

gsc@bt.com 

Toll Free Numbers as per Section 3. 

If a telephone number is not listed for your country, please use: +44 203 684 9440. 

Level 1

GSC Manager on Duty 

+1 8772281497 

+44 2036849440 

 

SETTLENET 09:00-17:00 (GMT) 

isc.service.assurance@bt.com 

+44 203 336 6506 

Level 2

12:00-00:00 (GMT): 

Andreas Halkias 

ahalkias@tnsi.com  

+1 908 494 1733 

 

00:00-12:00 (GMT): 

Juvert Vinluan 

jvinluan@tnsi.com  

+60 183660709 

 

SETTLENET 09:00-17:00 (GMT) 

Kirpal Gill 

kirpal.2.gill@bt.com 

+44 7792110839 

Level 3

Andrew Ley-Choi Hau 

aleychoihau@tnsi.com  

+60 122147982 

 

SETTLENET 07:00 – 20:00 (GMT) 

Julia Kubarskaia 

iulia.2.kubarskaia@bt.com 

+36 202827276 

Level 4

12:00- 00:00: 

Chris Franke 

hfranke@tnsi.com 

+18452348414 

2. Other Contacts

Service Management

Service Management: radianz.sm@bt.com

MyAccount

MyAccount help: bt.myaccount@bt.com

If your mail requires immediate action, please contact the helpdesk on +44 203 564 5309. 

3. Toll Free Numbers

EMEA Support Contacts

A list of telephone numbers for our existing Radianz customers who need to contact a service desk. If a telephone number is not listed below for your country, please use: +44 203 684 9440. 

Austria: 431206092460 

Belgium: 3227006805 

Denmark: 4543314835 

France: 33157329334 

Germany: 4969299571672 

Italy: 390291294803 

Netherlands: 31707709257 

Norway; 4723024934 

Portugal: 351213665416 

Spain: 34917497513 

Sweden: 46858769116 

Switzerland: 41445111508 

UK: 442036849440

Americas

A list of telephone numbers for our existing Radianz customers who need to contact a service desk. If a telephone number is not listed below for your country, please use: +44 203 684 9440. 

Argentina: 0-800-6663023 

Bermuda: 1-8664067119 

Brazil: 0800-8914892 

Canada: 15146730839 

Mexico: 001-8665392923 

Puerto Rico: 1-877-228-1497 

United States: 1-877-228-1497 

Asia/Pacific

A list of telephone numbers for our existing Radianz customers who need to contact a service desk. If a telephone number is not listed below for your country, please use: +44 203 684 9440. 

Australia: 61280173396 

China: 10-800-712-2297 

Hong Kong: 85230114960 

India: 00-8000504919 

Japan: (+81) 0120850368 

Malaysia: 1-800-813229 

Korea: 00798-14-800-6166 

Singapore: 6566227189