TalkSwitch TS-9133i IP Phone Charcoal Designed for TalkSwitch. Like all of our phones, the TS-9133i is built for smooth integration with TalkSwitch systems. Local or External. Plug the TS-9133i 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, adjustable backlit LCD display, missed call indicator, 200 Caller ID log entries, call park/unpark keys, call pickup, call waiting, and dedicated headset jack. Requires a TalkSwitch VS or 48 CA/CVA system running software 5.0 or better.