GSM/3G/4G Trunk Introduction
Yeastar S-Series VoIP PBX supports GSM/3G/4G trunk.
Maximum Supported GSM/3G/4G Module
| PBX Model | GSM/3G Module | 4G Module (For Data) | 4G Module (For Voice) |
|---|---|---|---|
| S412 Lite | 2 | 1 | 2 |
| S412 | 2 | 1 | 2 |
| S20 | 1 | 1 | 1 |
| S50 | 4 | 1 | 4 |
| S100 | 6 | 1 | 6 |
| S300 | 6 | 1 | 6 |
Note: Yeastar S-Series VoIP PBX V4.0 does not support 4G Module
(For Data).