BEFORE YOU CALL: please check your tariff plan for costs arising from this call. You will be charged international dialing rates by your phone company if you live outside of these countries.

PLEASE NOTE: your number needs to be unblocked for security reasons. No caller ID, no twitwoop. If you haven't registered before you call, all recorded messages will be posted to the public twitwoop timeline on Twitter.

HINT: store the most suitable number to your mobile phone and register your mobile phone's number. This way you will be able to send twitwoop voice messages easily on the go.