From April BT are changing the free evening call period from 6pm to 6am,It will now be 7pm to 7am
And the cost of connecting your call is going up to a staggering 9.9p per minute,and the 5.9p per minute for a daytime call. (If outside your calling plan)
So a
2 minute daytime call will be
22 pence 
http://preview.ogilvyeurope.com/btemail/2039452/BTC/BT_Project_Mercury_Q4_10_Alt.htmlAt BT, we always try to make sure that our customers get value for money. So while we update you on a few changes to your current calling plan, we'd also like to point out some of the really useful features that come with your BT landline. For instance:
Yeah right !!! 
This is to try and push everyone onto one of their 12 month contracts.
Changes to home phone calling plan prices in April 2010.
Daytime and Evening call period.
From 1st April 2010 we will be changing the evening call period: currently from 6pm-6am, changing to 7pm-7am. As a result, calls made between 7pm and 7am will be charged at the evening rate. This change will affect all call types, including calls to mobiles, international numbers and 0845 and 0870 numbers1. If you are on the Unlimited Evening & Weekend Plan, your inclusive calls will start at 7pm instead of 6pm.
Call set-up fee.
From 1st April 2010, the call set-up fee for non-inclusive calls from landlines and for non-inclusive Broadband Talk calls will increase from 9.3p to 9.9p per call. The existing call set-up fee of 3p per call for BT Basic, Light User Scheme and In-Contact Plus customers remains unchanged.
Call set-up fees will not apply to:
• Inclusive weekend calls for customers on the Unlimited Weekend Plan.
• Inclusive evening and weekend calls for customers on the Unlimited Evening & Weekend Plan or the Broadband Talk Evening & Weekend Plan.
• Inclusive any time calls on the Unlimited Anytime Plan or the Broadband Talk Anytime Plan.
• Calls to Freephone services and other inclusive calls not mentioned above.
Daytime UK calls.
From 1st April 2010, the cost of UK landline calls made during the daytime will increase from 5.4 pence per minute to 5.9 pence per minute. This change does not apply to BT Basic, Light User Scheme and In-Contact Plus customers. The changes to the evening call period, set-up fee and daytime UK landline call price do not affect inclusive calls of up to an hour made with the Unlimited Anytime Plan.
