D
Glossary entries beginning with D
- Data Call
- DAU
- DCA
- DCN
- DCS
- DCS (in Fax)
- Deactivated numbers
- Deactivation files
- Dedicated Short Code
- Delivery Notifications
- Delivery Receipt (DLRs or DRs)
- Delivery receipt error code
- Destination number
- Destination operator
- Destination Options
- Dialling code
- DiCE
- DID
- Direct + TPOA
- Direct access
- Direct Connection
- Direct Routing
- DIS
- DLR or DR
- Double Opt-in
- Dual-tone Multi-frequency (DTMF)
- Dynamic TPOA