A complaint by BT against a Sky broadband advertisement has been rejected by the Advertising Standards Authority (ASA).
BT took issue with a page on Sky's website with the header Best Price Guarantee and said Sky Sports customers with Sky Broadband Unlimited would get "the best monthly price for unlimited broadband and BT Sport".
BT stated that the Best Price Guarantee could be misleading, as customers would have to sign up for two years and "Sky were therefore unable to take into account re-contracting offers that might be offered by competitors after an initial 12-month contract".
The ASA, however, ruled that the advert did not breach any rules, as it made clear that the offer related to prices on the day they signed up for the offer.
In addition, the watchdog said Sky had specified that as a condition of taking up the offer, there was a new minimum contract term of two years.
"We considered that consumers would understand that for a price guarantee based on current published prices it was not possible to take into account unknown future re-contracting offers, and that was something they would therefore need to consider when deciding whether to take up the offer," the ASA said.
"The smaller print underneath also made this clear by stating “excludes … unknown re-contracting offers that may be available after minimum term”."