TP-Link TL-MR6400 - 3G/4G

The interface of the TP-Link TL-MR6400 modem is generally accessed via 192.168.1.1

You can also access the interface by http://tplinkmodem.net

Basic Setup

If the modem is in default mode the interface username/password will be admin/admin

For security purposes we recommend that you change the interface password under
System Tools > Password

Disabling SIP ALG

We recommend that you disable SIP ALG within your modem by selecting:
Network > ALG Settings
Select Disable SIP ALG and Save