[General] VoIP For Home Usage

[Ahmad Al-Ibrahim]

Salam,

I'm looking for a cordless IP phone, and I'm considering buying from the
following options:
Siemens Gigaset A580 IP
http://gigaset.com/shc/0,1935,hq_en_0_160891_rarnrnrnrn_variation%253A-5_pageType%253ADescription_imagePos%253A0,00.html

Siemens Gigaset S675 IP
http://gigaset.com/shc/0,1935,hq_en_0_139193_rarnrnrnrn,00.html

Siemens Gigaset SL785
http://gigaset.com/shc/0,1935,hq_en_0_164077_rarnrnrnrn,00.html

Any idea how good is Siemens Gigaset in VoIP?

Regards,

Ahmad Al-Ibrahim