0871 numbers are similar to 0870 numbers but are a flat rate (generally 10ppm) regardless of the time of call (i.e. peak times are the same cost to the caller as evening or weekends). Other services can be attached to the number(s). (link to smart call handling)
You can earn revenue from these numbers which may help the cost of running marketing campaigns.
The rebate you will earn depends on the traffic generated: -

• 0-10,000 minutes per month 3ppm rebate
  
  
• 10,001 –50,000 minutes per month 4ppm rebate
  
  
• 100,000 minutes per month – please contact us - we will be able to substantially increase the pay-out rates to you if you are generating this quantity of minutes.