They have done the same as Orange did last year, you might be able to get out of your Voda contracts now as they have amended the T&C's
1st march they have altered it to 60 second increments and minimum 1 minute call and price gone up 10p all calls too.
If your a Voda customer would suggest you look into it
7.1. We may change our Charges and/or introduce new Charges from time to time. If we increase our Charges, we will give you at least 7 days notice. If we believe any change in our Charges will not disadvantage you, it may be included without notice.
7.2. We can make changes to or withdraw Services at any time and we can make changes to and/or introduce new terms to this Agreement at any time. We will give you at least 30 days notice of these changes if we do and you may have a right to end this Agreement under clause 11.
7.3. We may need to change your phone number or other number from time to time. We will let you know if this is the case.
11.1. Either of us may end this Agreement by giving the other 30 days prior notice in writing. Your notice must include your mobile number and the signature of the account holder. You must pay the Charges during the notice period.
11.2. You may end this Agreement by writing to us if:
(a) we dont do something fundamental that we should have done under this Agreement within 7 days of you asking us in writing;
(b) we tell you that there will be an increase in the line rental charge by more than the increase in the Retail Prices Index ("RPI", calculated as a percentage) since the last line rental increase and you write to us before the increase takes effect;
(c) we increase your Charges in the UK which have the effect of increasing your total call and usage charges (based upon your usage in the previous month) by more than 10% and you write to us before the increase takes effect; or
(d) we change this Agreement to your significant disadvantage including the change or withdrawal of Services (we will tell you if this is the case) and you write to us within one month of us telling you about the change. This does not apply where the change relates to Services which can be cancelled without termination of this Agreement.
11.3. We may end this Agreement at any time by writing to you if:
(a) you do anything (or allow anything to be done) which we think may damage or affect the operation of the Network;
(b) within 7 days of us asking you in writing you do not do something fundamental that you have to do under this Agreement (e.g. pay the Charges when they are due);
(c) we are permanently unable to provide the Services to you.
11.4. When this Agreement comes to an end:
(a) we will disconnect your Mobile Device; and
(b) you will have to pay immediately all Charges outstanding at disconnection.
11.5. If this Agreement ends before the end of the Minimum Period and you pay us the remaining line rental for the rest of the Minimum Period in one lump sum, we will reduce this line rental by 2%.
think its possible to cancel?