Scarlets fly-half Jones, who has made a Wales record 104 Test appearances, failed to gain a place in coach Warren Gatland's squad for the Millennium Stadium clash against Australia next Saturday.
Jones' omission from a 28-man group led to inevitable speculation surrounding his international future.
Wing Shane Williams is poised for a farewell Wales appearance against the Wallabies, but fellow Test veteran Jones surprisingly found himself on the outside looking in.
Wales skills coach and kicking specialist Neil Jenkins, though, believes it would be a dangerous game to write off Jones' international career, one that began 13 years ago.
"I am sure Stephen Jones still has a role with Wales," Jenkins said.
"I am a big fan of his, and he has been outstanding for us.
"I believe he wants to carry on with Wales, and this is one game.
"I am sure he will be working hard with the Scarlets. I would be very surprised if he is too far away come the Six Nations."
While Jones must look to fight his way back, 34-year-old Williams - Wales' record Test try-scorer - is guaranteed an emotional send-off when Australia arrive in Cardiff for a quickfire rematch following the countries' World Cup bronze medal match last month.
"Shane is an amazing player, and his tries speak for themselves," Jenkins added.
"But he is an all-round player who can be quiet for most of a match and then pop up with the winning score in the final minutes through something incredible.
"You always worry if you can replace a player like that. He will be sadly missed and he is one of the best players Wales have had.
"It is an incredible story considering he was discarded at one point and brought back for the 2003 World Cup. I have nothing but praise for him."
Jenkins, meanwhile, has become the latest member of Gatland's coaching staff to pledge his future to Wales, following the likes of Shaun Edwards and Rob Howley, and he said: "I am delighted to have a new contract.
"I love it here and what we are trying to achieve. We have a great group of players and 'Gats' is not afraid to throw the kids in.
"There was a lot of pressure on us before the World Cup, but we always thought we would have a bit of a chance.
"The important game to me was Samoa, and once we won that we came of age and the boys played some outstanding rugby.
"We have to focus on ourselves and what goes on in Wales, not what is happening in other countries. We must stay focused and disciplined. If we do, we will be a very good rugby side."
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