2.5mm jack curly clable with Plx QD "Works with Ciso SPA Series and other Cordless phones with 2,5mm Standard Headset Port.(3 poles with 2 black bands), No Smart phone use. Works with Grandstream ...

The manufacturer stated maximum number of cordless handsets that ... 46-minute message recording time. This phone can pair cell phones and wireless headsets via Bluetooth and also transfer your ...