Yealink SIP-T42S is a professional business IP phone designed for office environments requiring reliable VoIP communications. It supports up to 12 SIP accounts, features HD voice technology, Gigabit Ethernet connectivity, programmable keys, and a USB port for enhanced functionality such as Bluetooth, Wi-Fi, and USB call recording. The T42S is part of Yealink's T4S Series and is widely deployed in enterprise, SMB, and call center environments.
Key Features
- Supports up to 12 SIP accounts
- Yealink Optima HD Voice technology
- Dual-port Gigabit Ethernet
- 6 programmable line keys with LED indicators
- USB 2.0 port for Bluetooth, Wi-Fi, and USB recording
- Power over Ethernet (PoE) support
- 2.7-inch graphical LCD display
- Wideband Opus codec support
- Wall-mountable design
- Headset, EHS, and expansion module support
- IPv4 and IPv6 support
- Enterprise-grade VoIP functionality
Technical Specifications
Model: SIP-T42S
Manufacturer: Yealink
Product Type:
- Business IP Phone
Display:
- 2.7-inch Graphical LCD
- Resolution: 192 × 64 pixels
SIP Accounts:
- Up to 12 SIP accounts
Network Interfaces:
- 2 × 10/100/1000 Gigabit Ethernet Ports
PoE Support:
- IEEE 802.3af PoE
USB Port:
- 1 × USB 2.0
Audio Features:
- HD Voice
- Full Duplex Speakerphone
- Acoustic Echo Cancellation (AEC)
- Opus Codec
- G.711 (A/u)
- G.722
- G.723.1
- G.726
- G.729AB
- iLBC
Phonebook Capacity:
- Up to 1,000 Contacts
Call Features:
- Call Hold
- Call Transfer
- Call Forward
- Call Waiting
- Call Park
- Call Pickup
- 3-Way Conference
- Busy Lamp Field (BLF)
- Intercom
- Paging
- Hot Desking
Security:
- TLS
- SRTP
- HTTPS
- 802.1X Authentication
- OpenVPN Support
IP Support:
- IPv4
- IPv6
90 DAY'S
