Seems that some generic information about phones is missed on nokia site, so I have to ask here. Searching forum gave me a lot of developer discussions and not generic information I'm interested in, so I'm sorry if my question is too simple here...

Some nokia phones support voip. I'd like to understand what codecs (G711, G729, etc) are supported by nokia phones? How it's supported (using software or in hardware, is software bundled with phone)?

Also what wlan encryption is supported by nokia phones (WEP, WPA)?

I need this information, e.g., for the following phones: e65, e50, n95, n93i, n93, n91, n80.

Where can I find this information? TIA