I wasn't sure where to post this, so I posted it here.

Well, the title says it all. How to do so?

I'm relatively new at openwrt, but I want to learn

1. There is no information on the hardware.

Compile information on the hardware from the FCC ID and/or opening the case and identifying the chips on that board.
You can add that information to : http://wikidevi.com/ (Example: WNDR3700v1 ) because its more hardware oriented than entries in OpenWrt wiki.
You basically need information on almost all chips (Flash can be quite small) to decide if any support is possible.

2. google says its a dsl/voip wlan router.

It might be one of at least 2 platforms (because hardware differences). If its Lantiq then support is more probable than if its Broadcom.
But I dont know how usable OpenWrt is on these devices (like Fritzbox, Easybox etc.)  at the moment.
The Freetz project is working on those combined dsl/router hardware (Fritzbox) too but they have a different angle compared to OpenWrt.

I have the router and I can disassemble it. What info is needed to see if OpenWrt works on it?

Did you read my post ? ...

-> Compile information on the hardware from the FCC ID and/or opening the case and identifying the chips on that board. <-

- Look for FCC ID / Stamp on device casing and/or in handbook, pdf ; write it down
- open device
- write down everything you can read on every chip you see (black rectangles)
- make board photos
- post resulst

I even posted an example link to a site where such information is posted regularly for different routers.

ZyXel firmware, built from source, has been flashed and an effort is underway to bring OpenWRT to this device: http://tjworld.net/wiki/Zyxel/VDSL_IAD

A spec is given here: http://www.broadbandbuyer.co.uk/Shop/Sp … 08#Content

See also: http://forum.kitz.co.uk/index.php?topic … #msg257366

Anyone expert on using binwalk? (www.binwalk.org)

I extracted mtdblocks 0 (rootfs), 1 (data) and 2 (nvram) from an ISP branded Zyxel VMG8324-B10A:

-rw-r--r--  1 mac mac 21889024 Jan  1  2013 mtdblock0.bin
-rw-r--r--  1 mac mac   4194304 Jan  1  2013 mtdblock1.bin
-rw-r--r--  1 mac mac     131072 Jan  1  2013 mtdblock2.bin

mtdblock0: https://drive.google.com/file/d/0B8w9ev … sp=sharing

mtdblock1: https://drive.google.com/file/d/0B8w9ev … sp=sharing

mtdblock2: https://drive.google.com/file/d/0B8w9ev … sp=sharing