Decision framework
A rate deck is a pricing input, not the whole provider decision.
A wholesale VoIP termination rate deck lists destination codes and prices, often with descriptions, effective dates, billing increments and routing notes. Two decks can look similar while producing very different invoices because the destination taxonomy, currency, rounding, surcharges and traffic distribution are not aligned.
A reliable comparison starts with a clean destination map and the buyer's own traffic. Apply observed or forecast minutes to the relevant codes, then review the commercial result beside representative route tests, operational controls and support terms. The lowest single row does not automatically produce the lowest usable total cost.
01 / Structure
Put every proposal into one comparable destination structure.
Start by preserving the provider's destination code and description, then map each row to a common country, network or number-type label. Do not merge fixed, mobile, premium, satellite or special destinations merely because they share a country code.
Destination codes
Compare exact prefixes and descriptions. Watch for overlapping codes, catch-all rows and longer prefixes that take priority during rating.
Currency and tax basis
Convert proposals to the same currency on a documented date and note whether taxes, regulatory fees or other charges are included or separate.
Effective date and version
Record the deck name, issue date, effective date, time zone and replacement policy so an old price is not compared with a current one.
Practical check: Keep the original provider row beside every normalized row so commercial questions can be traced back without guessing.
02 / Economics
Apply minutes, billing increments and surcharges to the expected traffic.
Multiply the expected minutes for each destination by the matching rate, then include the effect of minimum call duration and billing increments. Short-duration traffic can be especially sensitive to rounding, so an apparently cheaper per-minute row may cost more after rating rules are applied.
Traffic-weighted rate
Use the actual or forecast destination mix. Divide the resulting total cost by total minutes only after every destination has been rated.
Billing increments
Model minimum duration and rounding such as per-second, 1/1, 6/6 or 60/60 only when those terms are confirmed in the proposal.
Other commercial terms
Add setup, channel, minimum-commitment, payment, surcharge or deposit requirements that affect the complete cost and cash-flow picture.
Practical check: Run at least a base, high-volume and short-call scenario when the final traffic shape is uncertain.
03 / Evidence
Evaluate route behavior with representative traffic before production volume.
Commercial comparison should be paired with an agreed test. Select representative destination numbers and call patterns, identify the expected caller identity behavior and record timestamps, SIP responses and audio observations for failures.
ASR, ACD and PDD can help describe a sample, but they are influenced by destination mix, answer behavior, call purpose and test size. Use them as contextual evidence rather than universal guarantees.
Test matrix
Cover the high-volume destinations, fixed and mobile groups, expected calling hours, caller identity and normal call duration.
Signaling evidence
Record SIP response and hangup behavior with timestamps or call IDs that allow the route team to investigate repeatable examples.
Media evidence
Check two-way audio, latency, jitter, packet loss and DTMF where relevant, separating network or endpoint causes from route behavior.
Practical check: Use an approved, controlled sample and do not jump from a few manual calls directly to full dialer volume.
04 / Operations
Confirm how rates, limits and support work after launch.
The operational value of a rate deck depends on the rules around it. Confirm how price updates are delivered, how much notice applies, which time zone controls effective dates and what happens to active traffic when a route or commercial condition changes.
Change management
Document the notification channel, effective-date rules, rejection or rerouting process and the contact authorized to approve commercial changes.
Capacity and controls
Confirm CPS, concurrency, spend limits, fraud monitoring, route restrictions and the process for requesting a controlled increase.
Escalation model
Agree on severity, response path, required call examples, ticket ownership and the person authorized to reroute or pause traffic.
Practical check: A usable proposal should explain both the price and the operating process that keeps the route reviewable.
Ready-to-send brief
Rate deck comparison checklist
Collect these inputs before comparing wholesale VoIP proposals or requesting a Globilinks route review.
- Provider deck name, issue date, effective date and time zone
- Destination prefixes and original provider descriptions
- Currency, tax basis and conversion date if needed
- Minimum duration and billing increment for each route group
- Surcharges, minimum commitments, deposits and payment terms
- Your monthly minutes by country, network and number type
- Average call duration and expected short-call distribution
- Normal and burst CPS, concurrency and campaign schedule
- Caller ID requirements and authorized number plan
- Representative destination test matrix and acceptance criteria
- Rate-change notice, support path and escalation ownership
- Approved use case and required onboarding documentation
Common questions
VoIP rate deck questions
What is a VoIP termination rate deck?
A rate deck is a commercial table that maps destination prefixes or groups to per-minute prices and may include descriptions, effective dates, billing increments and route notes. It should be read with the provider's full commercial terms.
How do I calculate a blended VoIP termination rate?
Map your expected minutes to the correct destination rows, apply the relevant price and billing rules, total the cost and divide by total minutes. An unweighted average of listed rates does not represent the traffic-weighted result.
Why do billing increments matter?
Billing increments determine how call duration is rounded. Short calls can be materially affected by minimum duration or larger increments, so compare costs using your actual or expected call-length distribution.
Should the lowest rate win?
Not by itself. Compare destination fit, total rated cost, representative route tests, CPS and concurrency, caller identity requirements, fraud controls, support and rate-change terms.
What should I send when requesting a rate deck?
Send the destination and number-type mix, monthly minutes, average call duration, CPS, concurrency, traffic purpose, caller ID requirements, platform details and launch timing.