Verizon Wireless has tentative plans to introduce Wi-Fi calling next year, though it admits the project is not a top priority.

Speaking at Tuesday's Bank of America Merrill Lynch Media, Communications and Entertainment Conference, Verizon CFO Fran Shammo revealed plans for a mid-2015 rollout.

"We built our voice platform so extensively that there was never a need for us to tell our customers, 'Oh, our network is not good enough, you need to default to Wi-Fi to complete your call,'" Shammo said, according to a transcript of the event.

Other carriers have already jumped on the bandwagon: T-Mobile will be the first U.S. carrier to support Wi-Fi calling on the new Apple iPhone 6 and 6 Plus, while Sprint launched a similar service for a limited number of Android devices earlier this year.

Meanwhile, AT&T last week also said at an investors conference that it will likely have Wi-Fi calling sometime next year.

Verizon's Shammo said customers have been asking for Wi-Fi calling, despite what he described as an inferior experience.

"Once you transfer that call to Wi-Fi, the quality of service for me disappears," he said on Wednesday. "I can't guarantee the quality of that call anymore."

So, while the company will deliver the Wi-Fi-calling feature, it will also continue to broaden its LTE network "to be able to deliver the quality of service we think our customers expect," Shammo said.

During Wednesday's conference, the CFO touched on other topics, promising that Verizon will not be leasing phones, and revealing potential plans to sell its wireless-tower assets.

In the past, he said, tower deals have "always come down to price and terms and conditions," which have become more favorable. A 2013 AT&T tower deal, Shammo said, "kind of opened our eyes."

"I think it is an option for us," he added. "We continue to look at it and we will see what happens."