This article will be also helpful for the readers who are searching for “how to distribute BSNL broadband internet connection via a Phone line and Modem (having LAN port in the modem)”.
Here is the case study: You have a ADSL modem with RJ11 (Telephone line) port and a LAN (RJ45 port) and you want to distribute the Internet connection of that MODEM (ADSL) via Wireless Router. Phone line is also called DSL Line and can be connected to a RJ11 port of a ADSL modem.
So you need : 1) ADSL Modem 2) A router having 1 WAN port and 4 LAN ports. Distribute ADSL Modem Internet connection via another Router having LAN WAN port
Reference Reading : Tp-link ADSL2 modem router (TD-W8961ND) configuration/settings as Wireless access point