Less than a month after AT&T was granted FCC permission to enable Wi-Fi calling in iOS 9, Verizon is asking for permission to do the same, The Verge reports. The company submitted a petition to the FCC asking for a similar waiver to the one granted to AT&T, allowing it to enable Wi-Fi calling despite the lack of TTY support for the hearing impaired. T-Mobile and Sprint simply enabled the feature without FCC approval, but the regulatory agency…