List #1 link: Top 7 VoIP Blogs to Watch
3) VoIP & Gadgets Blog
Another TMC blog, and a good one: Tom Keating: CTO, VP, Founder TMC Labs uses his 14 yrs telecom experience and 28 yrs "programming, tinkering with & breaking computers" to cover VoIP issues in lively interesting fashion: Recent topics include: SIP Print VoIP Appliance Review; a Skype Headset Review; and Microsoft's releasing two new UC training tools.
List #2 link: The Top 33 (Other) VoIP Blogs
Too long to list them all here, but I like how he lists my TMCNet blog first and then writes - "Rich Tehrani's blog at TMCNet - the other big hitter in TMC's one-two voip blogger punch."