You have chosen ITI modem (Model: ITI DNA-A201BEI). It is a type-1 modem in context to BSNL modem terminology. It has one Ethernet port and one USB port for PC connectivity (No Wi-Fi).
I will discuss the bridge configuration (i.e dialer mode) for this modem pictorially with required text when needed. I will break the whole modem configuration procedure in two steps. Please follow the steps:
STEP 1. LAN Configuration:
Put the IP address in Local Area Connection as-
IP Add: 192.168.1.50 (Say)
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.1
STEP 2. Modem Configuration:
Open Internet Explorer or other browser, and put 192.168.1.1 in address bar of browser and hit enter.One window of modem configuration will open, put the user name and password as-
User Name: admin
After providing user name and password, you will come to the home page of modem. Just click on Advanced setup on left side. like-
Select all configuration except br_0_0_32 service and click on remove. Then click on edit button, change VCI=35 from 32 then click on next.like-
click next - > then next -> then next -> then save, like-
After 2 minutes of rebooting, it wiil complete the modem configuration.