TG Series User Guide
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Enable VoLTE on Mobile Trunk
You can enable VoLTE (Voice over LTE) to make high-quality audio calls over 4G network.
Prerequisites
The installed module should be a LTE module.
Insert a 4G SIM card in the LET module.
Install the TG gateway in a 4G environment.
Procedure
1. Navigate to Gateway > Mobile List > Mobile List, select the desired module, click .
2. Click the Advanced Settings tab.
3. Choose the Network Type to LTE Only.
4. Check the checkbox of Enable VoLTE.
5. Click Save and wait for the web page reloading for about 1 minute, then click Apply Changes.
Unlock the SIM Card
If your SIM card has enabled PIN lock, you can unlock the SIM card on TG gateway.
Note: you cannot enable or disable the SIM PIN service on TG gateway.
Procedure
1. Navigate to Gateway > Mobile List > Mobile List, select the desired module, click .
2. Click the Advanced Settings tab.
3. Enter your SIM card PIN in the PIN Code field.
Important: if you enter incorrect PIN for 3 times, you need to enter the PUK code to unlock the SIM
card. Yeastar TG gateway doesn’t support PUK code entering; you can unlock the SIM card with
PUK code on your mobile phone.