I made a post not too long ago on some points to do to improve the chances.
A big one is working with the right SMS platforms. I would only work with one that is on the list of companies dealing directly with the carriers for 10dlc compliance. This is the governing body to 10DLC
https://www.campaignregistry.com/
- Work with the right sender
- Use clean data you wont get complaints on
- Honor opt out requests
Be a good actor and it wont get worse, if as sales people and telemarketers we abuse our prospects government will regulate you.
If you wouldnt let your mom be a lead in your sales process then you need to change it till you would.