Capacity reference

Capacity reference explains Capacity pools, channel types, DID capacity modes, values, and indicators.

Channel types

Channel type	Description
Channels included	Inbound voice channels included with the DID number service.
Dedicated channels	Flat-rate channels assigned directly to one DID number. They are reserved for that DID number.
Shared channels	Flat-rate channels assigned to a Capacity group and shared by DID numbers assigned to that group.
Metered channels	Pay-per-minute channels assigned to a Capacity group and billed by usage.

DID capacity modes

Mode	Description
2 included	DID+2 capacity mode. The DID number includes 2 inbound voice channels in the service price.
0 included	DID+0 capacity mode. The DID number includes no inbound voice channels by default and requires additional Capacity to receive inbound calls.
metered	Pay-per-minute capacity mode. Numbers with this value use metered Capacity instead of included flat-rate channels.

Capacity priority

Priority	Capacity type	Description
1	Channels included	Calls use channels included with the DID number first.
2	Dedicated channels	Calls use dedicated flat-rate channels after included channels are unavailable or exhausted.
3	Shared channels	Calls use shared flat-rate channels after included and dedicated channels are unavailable or exhausted.
4	Metered channels	Calls use pay-per-minute channels after included, dedicated, and shared channels are unavailable or exhausted.

Hybrid capacity combinations

2 included0 included

Combination	Priority
Metered only	Calls first use included channels. If they are in use, calls use metered channels.
Shared only	Calls first use included channels. If they are in use, calls use shared channels.
Shared and metered	Calls first use included channels, then shared channels, then metered channels.
Dedicated only	Calls first use included channels. If they are in use, calls use dedicated channels.
Dedicated and shared	Calls first use included channels, then dedicated channels, then shared channels.
Dedicated and metered	Calls first use included channels, then dedicated channels, then metered channels.
Dedicated, shared, and metered	Calls first use included channels, then dedicated channels, then shared channels, then metered channels.

Capacity pools

Pool	Description
Standard	The default channel pool for a defined list of core countries.
Extended	A channel pool for additional countries not available in the Standard pool.
Custom	An account-specific pool enabled as part of a business agreement. Custom pools appear only when enabled for the account.

Capacity pool fields

Field	Description
Total Channel(s)	The total number of flat-rate channels purchased in the selected pool.
Unassigned Channel(s)	Purchased flat-rate channels that are not assigned as dedicated channels or shared channels.
Minimum limit	The minimum number of flat-rate channels that must remain in the selected pool when removing channels.
Renew date	The next renewal date for flat-rate channels in the selected pool.
Channel cost	The recurring cost per flat-rate channel in the selected pool.
Metered capacity cost	The per-minute cost for metered capacity usage in the selected pool.
Dedicated	The number of flat-rate channels assigned directly to DID numbers.
Shared	The number of flat-rate channels assigned to Capacity groups as shared channels.
Unassigned	The number of flat-rate channels available for assignment or removal.

Capacity groups

Field	Access	Description
Group Name	Editable	The name used to identify the Capacity group in the User Panel.
Assigned Channel(s)	Editable	The number of shared and metered channels assigned to the group.
Assigned DID(s)	Editable	The number of DID numbers currently assigned to the group.

Related resources

• How capacity works — Understand Capacity behavior and priority.

• Capacity groups — Understand group behavior, fields, and limits.

• Flat-rate channels — Learn how dedicated and shared flat-rate channels work.

• Pay-per-minute channels — Learn how metered channels work.

• My Numbers reference — Review DID number fields, statuses, and Capacity values shown in My Numbers.