Description
Spec-first summary of the Yealink SIP-T48U IP desk phone: 16 SIP accounts, a 7-inch screen. Details and our deployment notes follow.
Feature set
- 16 SIP registrations per device
- 7 in touch display
- 10/100/1000 switched ports, so the PC behind it keeps full speed
- Accepts PoE from the switch, so a local PSU is optional
- Onboard Wi-Fi for installs where cabling is not an option
- Bluetooth radio for headsets and handset sync
- Wideband audio including Opus
- Supports expansion modules
Deployment scenarios
- Multi-site networks with VLAN-separated voice
- SIP trunk customers who want a dependable endpoint
- Call queues and hunt groups
Spec sheet
| Brand | Yealink |
|---|---|
| Model | SIP-T48U |
| Manufacturer part number | SIP-T48U |
| Product type | IP Desk Phone |
| SIP accounts | 16 |
| Display | 7 in touch |
| Network | Gigabit Ethernet |
| PoE | Yes |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Audio | HD voice, Opus codec |
What ships
Factory package for the SIP-T48U. Contents per the manufacturer packing list; confirm power and mounting accessories before ordering.
SIP and hosted voice notes
Works with standard SIP platforms, including our hosted PBX and common on-prem systems. Optional pre-configuration before shipping; US support included.








