VoIP- Siemens optiPoint 410 standard

Brand: Siemens
Description: Type: VoIP phone, interfaces: headset connection, LAN port, WAN port, features: GSM, PoE, SIP, connection of additional modules, phone functions: built-in phone book, speakerphone, caller ID, call hold/waiting, echo cancellation
Interfaces: Headset connection, LAN port, WAN port
Type: VoIP phone
Battery type: No
LCD display: Monochrome