Tenor: code 16 – zero call duration This topic has 0 replies, 1 voice, and was last updated 20 years, 5 months ago by Saleh. Viewing 1 post (of 1 total) Author Posts 28th July 2004 at 21:34 #27697 SalehGuest hello. we see many calls on the billing system with a “zero call duration” and on the tenor event log it give “code 16” error. this is happen to some calls to india and pakistan, some countrys dose not have this error. what dose this error means? Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.