You don't just need a new conferencing phone, you need one that does everything you need to doThis Conferencing Phone Has All You NeedYou need a conferencing phone that can connect to your phone line (PSTN) for standard conferencing; connect to you Mac/PC via USB for VoIP conferencing;. or connect to your phone or tablet via 3.5mm jack.Choose the Aura Professional UCTM PSTN direct dial, redial, rapid dial, second flash and recall, . Make Skype conference calls using your PC/Mac. Call mute, call hold, three-way calling in all modes Conference anywhere via USB with a PC/laptop and VoIP Use a tablet or phone via 3.5mm jack for true mobile conferencing capabilities. Expand your conferencing optionsFor large conference rooms you can purchase and additional set of speakers and have all you need for clear, full-duplex conversations. Everything you need to sound professional, without the high price tag!