Yeah, I would second this. In SIP a UA is a UA. So long as your softphone is good and your microphone is as well, there shouldn't be any difference. Although I

Yeah, I would second this. In SIP a UA is a UA. So long as your softphone is good and your microphone is as well, there shouldn't be any difference. Although I would suspect the general experience may be that people with softphones more often will have terrible microphones for their PC...