2.3 DECT 6.0 digital techonology for secure calls and clear sound Answering system with up to 17 minute record time Call conferencing and speakerphone options Call waiting/caller ID with 50 name ...

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 ...