How to keep voice messages more than 7 days
Unless you have and iPhone and are using Visual Voicemail, there's is no way to save voicemails for any longer than the default 7 days sorry.
With iPhones and Visual Voicemail, the voicemail message is actually saved on the handset and you can also send send them as attachments.
Thanks for coming to community
I hope the answer given kindly by @jmitchel helps to answer your question.
Have a great weekend.
Join the EE Community to ask, answer, learn and share.