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Supports 2 lines, and 4 SIP accounts Essential IP Phone Dual 10/100Mbps with PoE , Supported GDMS , 5-way audio conference
Internet Telephony PBX System (500 SIP User Registrations)
MailPlus perceptual license pack for 5 email accounts
Supports 2 lines, and 4 SIP accounts Essential IP Phone Dual switched auto-negotiation 10/100 Mbps Ethernet ports, Supported GDMS 5-way audio conferencing
4-Port FXO Module for IPX-2100, IPX-2200 and IPX-2500
MailPlus perceptual license pack for 20 email accounts
In-wall Mounting Kit for GDS Series
Supports 2 lines, and 4 SIP accounts Essential IP Phone Dual switched auto-negotiation 10/100/1000 Mbps Ethernet ports, integrated PoE , Supported GDMS , 5-way audio conferencing
4-Port Life-Line Module for IPX-2100, IPX-2200 and IPX-2500 (2FXO + 2FXS)
License for one Virtual DSM instance on Virtual Machine Manager
3 lines, 6 SIP accounts , IP Phone Dual 10/100/1000Mbps with PoE , Supported GDMS , 5-way audio conferencing , 10 Paper BLF-Keys , 132 x 64 backlit LCD
