Possible Clues:

• Give William a ring, but you'll have to pay for it
• The cost of a mobile in Ring for the four characters in 29 across
• Cost of mobile in Ring after the damage locally
• Account for all that talking?
• Fewer calls are made to have this reduced
• Calls to account?
• If you want to give William a ring you'll have to pay for it
• That's what it will cost you to give William a ring
• You have to pay if you wish to give William a ring