CART MENU Open menu Mallory Headsets Inc. Toggle search bar What can we help you find? Submit search CART Bulk Earbuds As Low As $0.72 ea! Conference Phones DECT Wireless Headsets JPL Telecom Poly/Plantronics Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Wired Wireless Addasound Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Wired Jabra/Vxi Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Sennheiser Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Blue Tiger Bluetooth VoIP Equipment Services Yealink Polycom Computer Headsets(UC/Teams) Education Call For Volume Pricing 800-701-2289 Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Yealink > Yealink SIP-T42S Our Price: $179.00 Product Code: SIP-T42S Qty: Description Supports up to 12 SIP accounts and features a hearing aid compatible handset. Features Yealink Optima HD VoiceDual port Gigabit EthernetCodecs: Opus, G.722, G.711 (A/ų), G.723.1, G.729AB, G.726, iLBCDisplay: 2.7" 192x64 pixel graphical LCD with backlightUp to 12 SIP accounts6 Line keys with dual color LEDs can be programmed with up to 15 features (3 page view)4 Soft KeysPaper label-free designOne RJ9 headset port with EHS support (with EHS36 wireless headset adapter)Integrated stand with 2 adjustable anglesWall mountable with WMB-T4S kitPoE 802.3af, class 2No power supply included (PS5V1200US)Upgrades from T42GDevice performance enhancement with fastr response on the phone's user interfaceOpus supportEnhanced speaker performanceUSB port for Bluetooth headset with BT40 dongle or WiFi support with WF40 dongleUnited firmwareHearing aid compatible handset Related Items Yealink W56H Handset P5V1200US Power Supply BH72 Office Version w/Charge Stand and Qi Charging Yealink SIP-T52S Our Price: $105.00 Our Price: $11.99 Our Price: $199.00 Our Price: $219.00 Yealink BH72 Lite Bluetooth Headset Yealink SIP-T40P PSV600US Power Supply Yealink WH66 DECT Headset/ Collaboration Hub Our Price: $143.00 Our Price: $119.00 Our Price: $9.95 Our Price: $339.00 Share your knowledge of this product. Be the first to write a review »