This node will hold links to generic VoIP devices, regardless of whether they're UMA, SIP or proprietary.
- ZyXel P-2000W hype, unbiased review. Some notes: can only hold one set of SIP settings at a time, supports WEP, will connect directly to SIP providers (but cannot get past any sort of Wi-Fi provider logins, which means it's only useful in completely open or completely closed networks and not on most hotspots).