What's the company's website address?
I Googled
global telecoms technology ltd and the
first hit took me to the Otelo (the ombudsman) website listing different telcos. Clicking the "Global Telecoms & Technology Ltd" link takes you to
http://www.global4phones.com/If you go to the
contact page, this company is based in Bury, near to the address you specify. There is also geographical phone and fax numbers.
Global HQ and Network Control Centre
Europa House
Barcroft Street
Bury
MANCHESTER
BL9 5BT
Tel: (44) 0161 763 7766 Freephone: 0808 144 3066
Fax: (44) 0161 763 7755 Email: advice@global4phones.com
So where have you got the address you've given from?