User manual

VOPTech Document Four Channel’s GSM VoIP Gateway

1） DHCP

Choose DHCP if a local DHCP host is available. This allows the GoIP4 Gateway to

obtain network information (IP Address, Subnet Mask, Default Route, Primary DNS,

Secondary DNS, and other DHCP options) from the DHCP host.

2） Static IP

Choose Static IP if your network topology requires. Please fill in Fill in the IP

Address, Subnet Mask, Default Route, Primary DNS, and Secondary DNS (optional)

as provided by your network administrator.

3） PPPoE

PPPoE is a common dial up method for you network modem (Cable / xDSLs).

Choose this if your network environment requires. Enter the User Name and

Password as provided by your ISP.

4）802.1q VLAN

This QoS feature requires your QoS support of your network to improve voice data