An Ethernet hard phone is a self contained IP telephone that looks just like a ...... PCPhoneline.com - VPT1000 VoIP Portable IP-Phone (SIP/H323/SKYPE). You ability wish to accede a PBX like that ofered by NCH and Uplink Skype2SIP . Otherwise you will charge a committed skype phone, which is not a SIP phone.
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IP PBX