Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| AmazonDeviceMessaging |
0 |
|
| AppleProduction |
1 |
|
| AppleDevelopment |
2 |
|
| BaiduCloudPush |
3 |
|
| GoogleCloudMessaging |
4 |
|
| MicrosoftMPNSWinPhone7 |
5 |
|
| MicrosoftMPNSWindows8 |
6 |