Division
United Kingdom
For providers of interpersonal communications services who exert control over at least some elements of the network or have a service level agreement to that effect with undertakings providing access to the network
| PARAMETER(Note 2) | DEFINITION | MEASUREMENT METHOD |
|---|---|---|
| Call set up time | ETSI EG 202 057 | ETSI EG 202 057 |
| Bill correctness complaints | ETSI EG 202 057 | ETSI EG 202 057 |
| Voice connection quality | ETSI EG 202 057 | ETSI EG 202 057 |
| Dropped call ratio | ETSI EG 202 057 | ETSI EG 202 057 |
| Unsuccessful call ratio (Note 2) | ETSI EG 202 057 | ETSI EG 202 057 |
| Failure probability | ||
| Call signalling delays |