Yealink Executive IP Phone Color Gigabit, 6x Accounts, PoE VoIP-puhelimet ja -so

http://www.yealink.com/product_info.aspx?ProductsCateID=182&CateId=147&BaseInfoCateId=182&Cate_Id=182&parentcateid=147

http://www.yealink.com/Upload/T23G/datasheet/Yealink%20SIP-T23G%20Datasheet.pdf

http://www.yealink.com/Upload/T23G/documents/Yealink_SIP-T23%20&%20T23P%20&%20T23G_User_Guide_V80_5.pdf