Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| Alltel |
0 |
|
| ATT |
1 |
|
| Nextel |
2 |
|
| Sprint |
3 |
|
| Tmobile |
4 |
|
| Verizon |
5 |
|
| VirginMobile |
6 |