N.J. Stat. Ann. § 52:17C-11

11. All coin and credit card telephones whether public or private within areas served by enhanced 9-1-1 service shall be converted to dial tone first capability, which shall allow a caller to dial 9-1-1 without first inserting a coin or any other device. On each converted telephone, instructions on how to access the emergency enhanced 9-1-1 system shall be prominently displayed.