jpilot-dial: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/jpilot-dial - from package: jpilot

You may install the required package with command apt-get install {package}
Error in other languages:
jpilot-dial: bevel nie gevind nie
jpilot-dial: comandă negăsită
jpilot-dial: comando não encontrado
jpilot-dial: commande introuvable
jpilot-dial: command not found
jpilot-dial: käsku ei ole
jpilot-dial: không tìm thấy lệnh
jpilot-dial: komanda nerasta
jpilot-dial: Kommando nicht gefunden.
jpilot-dial: kommandot finns inte
jpilot-dial: komut yok
jpilot-dial: nie znaleziono polecenia
jpilot-dial: níor aimsíodh an t-ordú
jpilot-dial: no se encontró la orden
jpilot-dial: no s'ha trobat l'ordre
jpilot-dial: opdracht niet gevonden
jpilot-dial: parancs nem található
jpilot-dial: perintah tidak ditemukan
jpilot-dial: príkaz nenájdený
jpilot-dial: příkaz nenalezen
jpilot-dial: команда не найдена
jpilot-dial: командата не е открита
jpilot-dial: 命令找不到
jpilot-dial: コマンドが見つかりません