Service types define the guaranteed level of service in a ATM network. This involves such things as the timing between the source and destination, the guaranteed bandwidth and how many cells get lost in transmission.
| Setting | Description |
|---|---|
| UBR without PCR | Use Unspecified Bit Rate without Peak Cell Rate. |
| UBR with PCR | Use Unspecified Bit Rate with Peak Cell Rate. |
| CBR | Use Constant Bit Rate. |
| Non-Realtime VBR | Use Non-Real-Time Variable Bit Rate. |
| Realtime VBR | Use Real-Time Variable Bit Rate. |