hello guys one of my customers bought the funiture from another business. it came with a system and an aleen voicemail. later they want to use this systen so i took the vm with me. i cant log on to it. i have a vms software 7.01 and the unit is 7.41. i got the program software from the manufacture. should this one work with the vm. it says it cant connect with the comport. thanks dave