Outbound Wiki

Call attempt spacing

Deciding how long to wait between unanswered call attempts to the same prospect.

Call attempt spacing should give the prospect room. Use the next call to test a different local time window, so you learn whether access or interest is blocking the conversation. Timing results do not line up across studies, so a cadence built around a fixed delay can miss the stronger opportunity in the day.1

Set the gap

Set a clear boundary and plan the next attempt after each unanswered call. Space contact attempts by up to two days, giving prospects room between conversations while keeping the person in mind.2 Schedule the next call while the record is open, then choose a different local time window. The cadence remains persistent without making every attempt feel like the same interruption.

Choose the time window

The return date alone will not tell you whether the prospect was reachable. Treat local time separately and test the windows supported by the timing findings.

A large-scale study found calls in that window produced a 15 percent connection lift compared with other times.3

Use 3 PM to 6 PM local as a second window for your highest-priority targets.4 Recent internal results found around 4 PM local produced the highest connection rates.5 Engagement peaked during the 4 PM to 5 PM hour.6 The 3 PM to 4 PM and 5 PM to 6 PM windows followed closely.7

Run the same spacing pattern through each window and compare answered calls and conversations. Once your records show a stronger window, reserve it for your hottest outbound prospects.8

Run each attempt

Use each unanswered call to change what you learn next. Schedule the next attempt within the spacing boundary and select the alternate local window. If there is still no answer, vary the follow-up attempt so you maintain consistency.9

After three or four missed calls, a prospect might become curious enough to answer.10 Review the sequence at that point and decide whether the next attempt should change its timing or format.

Keep the broader follow-up plan bounded. A follow-up recommendation sets the range at 8 to 12 attempts or until the prospect says yes, whichever comes first.11 The plan can contain calls. Keep them spaced, and apply the spacing rule to every call inside it.

Review the pattern

Use a simple record to make the comparison usable. Separate the effect of the gap from the effect of the hour.

For every attempt, record the local time window, the gap since the previous call, whether the prospect answered, and what happened after the answer. Compare calls made under the same spacing rule. If you change the gap and the time window together, you will not know which change affected the result.

Keep the weaker window in rotation while you gather enough observations to judge it. A window that produces fewer answers may still work for a particular group of prospects, so make the decision from your own call records instead of applying the same schedule to everyone.

What not to do

  • Do not turn follow-up into repeated callbacks that barrage the same prospect in one day.12
  • Sales guidance recommends continuing follow-up when the initial contact fails.13
  • Three or four missed calls do not guarantee a breakthrough. A prospect might become curious enough to answer after three or four missed calls.10
  • Do not treat timing data for all calls as a cold-call rule. Historical platform data included calls between business professionals with pre-existing relationships.14 Data specifically about cold calls is more useful for this decision.15

Sources

  1. 1
    “And the results were incredibly interesting, because as you’ll see below, they don’t line up with the results from our broader 2019 study.”
  2. 2
    “Reps should space their contact attempts up to two days, to make sure their prospects get to breathe in between conversations– but don’t forget who they are talking to.”
  3. 3
    “A large-scale study of millions of sales calls found that calling during this window boosts connection rates by 15% compared to other times of day (InsideSales).”
  4. 4
    “Sales teams should consider scheduling outbound calls and sequence actions with top targets during late afternoon windows (3-6 pm in their own time zone).”
  5. 5
    “According to Jake Spear, Director of Sales at Revenue.io, their internal sales team consistently finds that calling prospects around 4 PM local time yields the highest connection rates.”
  6. 6
    “With peak engagement during the 4-5pm hour.”
  7. 7
    “This window is followed closely by the 3-4pm  and 5-6pm hours.”
  8. 8
    “Even reps that dial all day long, should always be prioritizing their hottest outbound prospects during times when they are most likely to engage.”
  9. 9
    “You have to follow up; and to ensure you stick with it, you should vary your follow up attempts.”
  10. 10
    “As a salesperson, if you call a few times your prospect might be curious enough to pick up after three or four missed calls.”
  11. 11
    “8 to 12 times or until they say yes. Whichever comes first.”
  12. 12
    “Space callbacks so you are not barraging the same prospect in one day.”
  13. 13
    “Sales should get on the horn and continue to show persistence if they don’t make contact on the first attempt.”
  14. 14
    “Keep in mind that this data is for all calls made through the Revenue.io platform in the past – that includes calls made between business professionals who have pre-existing relationships.”
  15. 15
    “For most sales reps, a more helpful chart would be to examine cold calls specifically (see our recent research above).”