Response rates depend on multiple factors, some controllable and some not. Focus your optimization efforts where they have the most impact.
Controllable factors:
- Message content: What you say and how you say it
- Personalization: How relevant the message feels
- Timing: When you deliver the message
- List quality: How targeted your audience is
- Follow-up strategy: How you nurture non-responders
Less controllable factors:
- Delivery rates: Depends on carrier, voicemail settings
- Recipient availability: When they check voicemail
- Market conditions: External factors affecting interest
Focus on optimization:
Small improvements in controllable factors compound. A 10% better message + 10% better timing + 10% better list = significantly better results.