● Volume control: Yes
● Wall mount: Yes
● Phone book memory: 500 contacts / Call history up to 200 records
● Features: 1 SIP account, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys, Telephony Features: Hold, transfer, forward (unconditional/no-answer/busy), 3-way conferencing, call park/pickup, call waiting, off-hook auto-dial, auto-answer
● Others: 132 x 48 LCD display, Network Interfaces: Dual-switched 10/100 Mbps ports, Headset Jack: RJ9 headset jack (allowing EHS with Plantronics headsets)