IP ტელეფონი Grandstream GXP2135 Enterprise HD IP Phone: 8 lines, 4 SIP accounts, 4 XML programmable context-sensitive soft keys

The GBX20 is a backlit LCD extension module supported by the GXV3350 and GRP2615. The module includes 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GBX20 to support up to 40 contacts/extensions.). Connect up to 4 GBX20 modules to compatible Grandstream phones for a total of 160 contacts/extensions.

DECT telephone model for people with hearing impairments. Distinctive features of the model: "volume boost" mode, larger font on the display, large buttons, HAC support (hearing aid compatibility), voice duplication of button presses, emergency call. Key features: caller ID, speakerphone, phone book, blacklist, keypad lock, clock, alarm clock, display and keypad backlighting, mute, night mode, smart call function, volume control with separate buttons, shockproof tube body, 3 buttons direct dial