Headphones Grandstream

Supported by the GXP2140, GXP2170 and GXV3240
Grandstream Expansion Module for IP Phone GXP2200EXT for GXP2140, GXP2170 and GXV3240
2 page switch keys which allows up to 40 extensions per extension module
Daisy-chain 4 modules for up to 160 programmable buttons
Conference/call transfer/forward/pickup

Up to 2 concurrent HD calls
Extends an additional range of 300 meters outdoors and 50 meters indoors for added mobility
Automatic or manual association to DP750, base station for easy use
Supports Plug-n-Play features like auto association, auto region detection and seamless call handover
Automated provisioning options include XML config files

Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port
Tls and SRTP security encryption technology to protect calls and accounts
Automated provisioning options include TR-069 and XML Config files
Supports 3-way voice Conferencing
Failover SIP server automatically switches to secondary server if Main server loses connection