Engineering
How many cold calls should an SDR make per day?
There is no right daily dial count. Work it out from lines, the prospect's calling window and your number pool, with one formula and a worked example.
A daily cold call target is the number of dials a rep places in a day, and there is no right figure. Published figures mostly come from vendors and vary widely. The useful answer is the ceiling your setup imposes: lines ringing at once, hours the prospect's calling window is open, and phone numbers to carry the dials.
That ceiling is arithmetic, not opinion, so this post works it out. It covers three limits, one formula and one worked example you can redo with your own inputs.
A dial target is a number-pool decision before it is a rep decision.
How many cold calls per day is normal for an SDR?
Search for this question and you get a range, usually from a vendor, usually with no statement of what was counted. One source counts dials. Another counts conversations. A third mixes both. A figure taken from someone else's funnel tells you little about yours.
Start with three words that every daily target depends on:
- Dial: one attempt placed to one phone number, whether or not anyone answers.
- Connect: a dial that a live person answers.
- Conversation: a connect where the rep reaches the right person and talks past the greeting.
A manager can set a dial target. Connects and conversations are rates, and rates depend on the list, the time of day and the number the call comes from. So the honest question is not "what is normal" but "what is the most my setup allows, and how many conversations does that produce for us".
What actually limits daily dials: the rep, the lines or the numbers?
Three ceilings sit on top of each other. The lowest one wins.
Talk time. A rep can hold one conversation at a time. Every minute spent talking is a minute not dialing. This is the ceiling most advice is written about.
Lines. A power dialer rings one number at a time. A parallel dialer rings several and gives the rep whoever answers first. In the SAGARIS dialer, the rep picks one to five lines for each batch. One line is a power dialer; two to five is parallel. Five is deliberately at the low end of the category.
Number health. Every dial goes out from a caller ID number, and carriers watch how many calls each number places. For shared caller-ID numbers, SAGARIS defaults to a cap of 50 dials a day once a number is through its ramp. A rep's own dedicated line is excluded. That limit is why a high dial target turns into a question about phone numbers. We explain why the counter has to be exact in Fifty dials per number per day, and why the limit has to be atomic.
Two more limits sit on the prospect's side: the calling window and how often one person can be called. Both come below.
How many phone numbers does a dial target need?
Divide the daily dial target by the dials each number may place.
The ramp matters more than it looks. A new shared caller-ID number in SAGARIS starts at 15 dials a day in its first week, then 25, then 35, and reaches 50 in week four. Carriers and their analytics vendors publish no official per-number threshold, so the ramp is a conservative choice, not an industry standard. It limits how much any one number is exposed. It does not stop a number from being labelled; nothing in a dialer does that.
The daily count resets at 00:00 UTC, so every line in a batch agrees on which day it is.
Worked example: lines × window × numbers
The inputs below are illustrative. They are not SAGARIS data and not a benchmark. Swap in your own.
- Hours dialing: 5 of the 8 hours a cold contact's window is open.
- Dialing rounds per hour: 20. A round is one press of Start: the selected lines ring until someone answers or every line ends.
- Daily dials per rep = lines × rounds per hour × hours dialing.
Daily dials, and the numbers they need at steady state (÷ 50) and in weeks 1, 2 and 3 (÷ 15, ÷ 25, ÷ 35):
- 1 rep, 1 line: 1 × 20 × 5 = 100 daily dials. Numbers needed: 2 at steady state, 7 in week 1, 4 in week 2, 3 in week 3.
- 1 rep, 3 lines: 3 × 20 × 5 = 300 daily dials. Numbers needed: 6 at steady state, 20 in week 1, 12 in week 2, 9 in week 3.
- 1 rep, 5 lines: 5 × 20 × 5 = 500 daily dials. Numbers needed: 10 at steady state, 34 in week 1, 20 in week 2, 15 in week 3.
- 5 reps, 3 lines each: 1,500 daily dials. Numbers needed: 30 at steady state, 100 in week 1, 60 in week 2, 43 in week 3.
Holding rounds per hour flat across line counts is a simplification. More lines produce more answers, more talking and fewer rounds. The parallel dialing calculator models that trade from your own connect rate and call length.
Read the week 1 figures twice. A five-rep team that wants 1,500 dials a day from a brand-new pool needs 100 numbers in the first week, or a lower target for three weeks. Most teams do something in between: keep the aged numbers they have and add new ones alongside. Six aged numbers plus four new ones give 6 × 50 + 4 × 15 = 360 dials of room in week one.
How many hours are really available?
Fewer than a rep's working day, because the clock that counts is the prospect's.
By default, an automatic SAGARIS run calls cold contacts between 9 a.m. and 5 p.m. on weekdays in their own local time. A rep can hand-pick a contact outside that business window without a reason prompt, and SAGARIS records the dial and the rule. The product applies a separate 8 a.m. to 9 p.m. window, with an 8 p.m. default close in Florida, Oklahoma and Maryland. Hand-picking alone does not clear those limits. A recorded contact or workspace override can clear the applicable product block. A contact with no time zone on file is held by default.
That gives every region 8 hours. A rep in New York calling all four continental time zones sees them open in a stagger:
The rep's clock (Eastern), and the time zones open for cold calls:
- 9 to 10 a.m.: Eastern
- 10 to 11 a.m.: Eastern, Central
- 11 a.m. to noon: Eastern, Central, Mountain
- Noon to 5 p.m.: Eastern, Central, Mountain, Pacific
- 5 to 6 p.m.: Central, Mountain, Pacific
- 6 to 7 p.m.: Mountain, Pacific
- 7 to 8 p.m.: Pacific
A national list keeps someone callable for 11 hours of the rep's day. A list that is all Eastern gives 8. If the list leans West, the useful hours shift later, and a 9 a.m. start in New York begins with an empty queue.
The per-contact override requires selecting and logging a federal exception in SAGARIS. A recorded workspace override can also remove calling-window blocks for the workspace while warnings remain visible. A contact whose local time is unknown needs a manager.
How many times should you call the same prospect?
By default, an automatic run skips a contact already called twice today, five times this week, or within the last twelve hours. A rep can still hand-pick the contact, and SAGARIS records the dial, the rep and the rule.
The default cold-call window is 8 hours long, and the default gap between calls is 12. An automatic run therefore has room for one call per cold contact per calling day under those defaults.
That sets a floor for an automatic run. A rep targeting 300 automatic dials a day under those defaults needs at least 300 different dialable contacts that day. Over a week, 1,500 dials need at least 300 contacts even if every one of them is called every weekday, and few teams want that. If the list is thinner than the target, the target is wrong.
Do more lines mean more conversations?
Up to a point. With five lines ringing, two people sometimes answer at once. A rep can hold one conversation, so the first person to answer gets the rep and the second line is marked Person holding.
The federal rule treats that wait seriously. Under 47 CFR 64.1200(a)(7), a call is abandoned "if it is not connected to a live sales representative within two (2) seconds of the called person's completed greeting," and abandoned calls are capped at three percent of live answers over a 30-day period for a single calling campaign. SAGARIS tracks that rate and reduces the line count as it nears the cap. Whether the rule governs a given campaign is a question for your counsel.
What parallel dialing is sets out how often collisions happen at each line count. The calculator shows what another line buys and what it costs.
What should a manager measure instead of dials?
Dials are the input a rep controls. They are not the outcome. Measure these alongside them:
- Conversations per rep-hour. This is what lines and hours are for.
- Meetings per conversation. This tells you whether the message works.
- Unique contacts dialed. If dials rise while unique contacts fall, reps are working a thin list harder.
- Number pool room. Dials still available today across the pool, counting the ramp. When it runs short, add or age numbers before raising the target.
Write down the rates you used to set the target and the date you set it. When the list, the message or the number pool changes, redo the arithmetic. Our page for SDR teams shows how the dialer, the queue and the follow-up fit together for a team.
If you want to size a number pool for your own dial target, we will run the numbers with you in a demo.
Frequently asked questions
How many cold calls should an SDR make per day?
There is no right figure. Published figures mostly come from vendors and vary widely. The useful answer is the ceiling your setup imposes: lines ringing at once, hours the prospect's calling window is open, and phone numbers to carry the dials.
How many phone numbers do I need for my dial target?
Divide the daily dial target by the dials each number may place. For shared caller-ID numbers, SAGARIS defaults to a cap of 50 dials a day once a number is through its ramp, so numbers needed at steady state = daily dials ÷ 50, rounded up. A rep's own dedicated line is excluded. A new shared caller-ID number starts at 15 a day in its first week, then 25, then 35, and reaches 50 in week four.
What hours can a cold contact be called?
By default, an automatic SAGARIS run calls cold contacts between 9 a.m. and 5 p.m. on weekdays in their own local time. A rep can hand-pick a contact outside that business window without a reason prompt, and SAGARIS records the dial and the rule. The product applies a separate 8 a.m. to 9 p.m. window, with an 8 p.m. default close in Florida, Oklahoma and Maryland. Hand-picking alone does not clear those limits. A recorded contact or workspace override can clear the applicable product block. The per-contact override requires selecting and logging a federal exception in SAGARIS.
How many times should you call the same prospect?
By default, an automatic run skips a contact already called twice today, five times this week, or within the last twelve hours. A rep can still hand-pick the contact, and SAGARIS records the dial, the rep and the rule. With the default 8-hour cold-call window, an automatic run has room for one call per cold contact per calling day.
Do more lines mean more conversations?
Up to a point. With several lines ringing, two people sometimes answer at once; the first gets the rep and the second line is marked Person holding. Under 47 CFR 64.1200(a)(7), abandoned calls are capped at three percent of live answers over a 30-day period for a single calling campaign.
- eCFR: 47 CFR 64.1200, FCC telemarketing and abandoned call rulesecfr.gov/.../section-64.1200read 4 Nov 2026