VoIP Insider

The Aastra 57i-CT is the flagship SIP desk phone from Aastra, supporting up to 9 simultaneous calls. The 57i CT includes a WDCT cordless handset for coverage up to 300,000 sq ft. You can pair additional wireless companion handsets ( up to 4 total) and you can also expand the phone by adding [...]

NASCAR racing team purchases VoIP phone system, shows major companies buying into VoIP