Plug: 2.5mm Stereo Phone Plug for GrandStream GXP-2000 IP Phones versions 1.0 or higher This auction is for (1) CallTel T400 Headset with a 2.5mm Stereo Plug for Cell Phones with a 2.5mm Headset Jack and for GrandStream GXP-2000 IP Phones version 0.4 or lower. They plug into your GrandStream GXP-2000 IP Phone versions 1.0 or later directly. What's in the box: Headset shown above with a cord with 2.5mm handset plug. Features soft cord, superior sound quality and extremely comfortable fit design for all-day use. Over-The-Head style with single earpiece for great sound in one ear Over-The-Head models are for phone systems with built-in 2.5mm Phone Jack Buyer is responsible for paying any governmental taxes imposed on your purchases, including, but not limited to, sales, customs, use or value-.
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