Audiovox CDM-8615 / Vox 8610

i have an audiovox 8610. i cant seem to figure out how to change the voicemail to a new voicemail MINE NOT my ex's voice!!! i also need to know if there is a USB cable to hook to the computer from the cell to retrieve old texts, sms, voicemail and pics or pix?? i also have another cell kyocera cyclops, anyone help me on these 2 particular phones PLEASE!!!!???