However goalkeeper Vincent Enyeama declined the chance to appear to answer questions about comments he made about playing an international match in Kaduna.
The NFF executive board will have the final say on any punishments, on a date yet to be decided.
Keshi, who signed a new two-year deal with the NFF in April, was on a list of 59 applicants published recently by the Ivorian federation (FIF) to take over from Frenchman Herve Renard.
Meanwhile, Super Eagles captain Enyeama made "uncomplimentary remarks" regarding safety and security in Kaduna for a 2017 Africa Cup of Nations qualifier against Chad.
Enyeama, who plays for French club Lille and is the Super Eagles most capped player with 101 appearances, failed to reply to messages from the NFF seeking an explanation for his comments.
The 32-year-old could face a lengthy ban for his comments which the NFF feels broke its recent code of conduct signed by the players as well as his failure to attend Tuesday's hearing.

Northants elected to field first and chipped away with regular wickets as Keaton Jennings, Cameron Steel and Graham Clark were all dismissed for 20.
Buck's haul also included the wickets of in-form Paul Collingwood and top-scorer Michael Richardson (27).
Barry McCarthy took 2-20 as Durham hit back, but Northants finished the day 59-3, 107 runs behind.
Division Two's bottom side Durham went into the game on the back of a dramatic defeat by Glamorgan and their fragile batting line-up was exposed by Northants' seam attack in an innings which lasted just 45.2 overs.
Northants lost Rob Newton, Alex Wakeley and Rob Keogh cheaply in reply, but Max Holden (19 not out) and Chesney Hughes (16 not out) prevented further damage before bad light brought an early close.
Former Derbyshire and Leeward Islands batsman Hughes, who played as a 'guest' for Northants in their tour game against South Africa A, is making his first Championship appearance since last August, on a non-contract, pay-as-you-play basis.
Coach Stephen Keshi met with the Nigeria Football Federation's (NFF) disciplinary committee on Tuesday to answer questions on why his name appeared on a list of candidates to manage Ivory Coast.
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Nathan Buck took a career-best 6-34 to help bowl Durham out for 166 and give Northants the upper hand on day one.