TalkSwitch TS-9112i IP Phone Designed for TalkSwitch. Like all of our phones, the TS-9112i is built for smooth integration with TalkSwitch systems. Local or External. Plug the TS-9112i IP phone into your network at home or any other location and it functions just like the IP extensions in the office. Great for teleworkers or for keeping connected to your business when youre at home. Auto discovery of TalkSwitch PBX, auto configuration, multilingual support, message waiting lamp and counter, missed call indicator, intercom over speaker, call waiting, dedicated headset jack, and full duplex speakerphone. Requires a TalkSwitch VS or 48 CA/CVA system running software 5.0 or better.