How to set up cisco cable modem to 2wire wireless?

I recently switch from At&T to charter cable who gave me a Cable modem. I connected Charter Cisco modem to 2wire because the 2wire has wireless. I got Ethernet and internet connection to my PC but my Iphone4 has NO internet connection even though it shows Wi-Fi connection the 2wire. Do i need to configure something in the ATT 2wire for it to work. NOTE: from my iphone i can access the 2wire settings

It will be difficult or impossible to set up.

Your 2Wire is a DSL gateway. There's no external WAN port to connect to the cable modem.

A gateway is combo modem and router in one enclosure. The WAN connection is internal inside the common case.

A wireless router connects two separate networks and manages the traffic between them.

In most home network applications the router connects your local group of computers and devices known as the LAN with the Internet, commonly called the WAN or Wide Area Network.

Without being able to properly connect your cable modem to the router WAN connection it will not function properly.

Your best bet is to by a standalone wireless router that can be properly connected and configured to work with your cable modem.

Wireless routers are fairly inexpensive depending on the features you desire.http://www.amazon.com/s/?_encoding=UTF8&camp=1789&creative=390957&keywords=wireless%20router&linkCode=ur2&qid=1372496245&rh=n%3A172282%2Cn%3A541966%2Cn%3A300189%2Ck%3Awireless%20router%2Cp_72%3A1248879011&rnid=1248877011&tag=excharge-20

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