IronTel is a strong name for a VOIP, WIFI network, mobile, telephone or security/privacy related company. Many security companies choose the word 'Iron' at the start of their brand name to let customers know that they offer quality hardware and/or software products and services which are firm or secure as to be unbreakable/not hackable and make the customers feel confidence and trust.
Notable companies using 'Iron' are:
Iron Horse Security
Iron Overload (Novartis)