Complaint Review: Deltathree

Recently I signed up their service, but suddenly they suspended my account "For security reasons". I e-mailed them several times to activate my account, but their replies are the same as follows.

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Dear Customer,

After reviewing your account details, we can see that the information you have supplied is not the same as the details registered to your account. On your account the address is the address in Japan and not in the US. Please provide the correct information if we are to reactivate
your account.

Full Credit Card-billing address (NOT your bank's address):
City / ZIP:
Country:
Daytime telephone number:
Last 4 digits of credit card:
Credit card expiry date:
Credit card extension number(ie the last 3 numbers found on the back of Visa, MasterCard, Diners, Discover and JCB cards above the signature strip. On an American Express card, it is the 4-digit number on the front of the card):

Please write "AS74" on the subject line, as this will ensure that your details reach the correct department and are dealt with promptly.

Should you not wish to e-mail this information, you may fax it on 1-212-500-4892 or 1-212-500-4893.

Alternatively, you can scan in the requested information and send it to us as an email attachment.

Sincerely,

Davina
Customer Care
CustomerCare@iConnectHere.com

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I have not been able to use their service for almost a week. I have no idea what to do, because I'm sure the information I provided them is correct. thus, I asked them their phone numeber but they didn't tell me. They have only fax number on the web.
Their customer support is the only one who annoys and make customer irritated for their "insincere support".

ukky115
Otaku, Tokyo
Japan