Amazon.com : Yealink SIP-T42S 12 Lines. 2.7-Inch Graphical Display. Dual-Port Gigabit Ethernet, 802.3af PoE, Power Adapter Not Included : Office Products
Amazon.com : Yealink SIP-T21P-E2 Entry Level IP Phone with POE, backlight (Power Supply NOT Included) : Office Products
Yealink SIP-T21P E2, teléfono IP con puerto de salida y nivel de entrada, iluminación posterior : Productos de Oficina - Amazon.com
Amazon.com : Yealink SIP-T21P E2 Bundle of 4 Entry-level IP phone 2 Lines HD voice PoE LCD : Office Products
Amazon.com : Yealink T31P IP Phone, 2 VoIP Accounts. 2.3-Inch Graphical Display. Dual-Port 10/100 Ethernet, 802.3af PoE, Power Adapter Not Included (SIP-T31P) : Office Products