Yealink IP Business Desk Phone - T48S
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Product Information
Full details
The Yealink T48S is a high-performance, 16-line IP phone tailored for business professionals, receptionists, and high-volume communication environments who require reliable, crystal-clear audio and advanced call management. It offers significant productivity gains through its intuitive 7-inch touchscreen and multi-line handling capabilities, though users should note that as a wired-only device, it requires a dedicated Ethernet connection and lacks integrated wireless roaming.
All features
| Model Part Number | T48S |
|---|---|
| Brand | Yealink |
Extended Product Information
FAQs
Does the Yealink T48S support headsets?
Yes, it includes a dedicated RJ9 headset port for wired headsets.
Can I mount this phone on a wall?
Yes, the T48S is compatible with standard wall-mount brackets, though a specific wall-mount kit may be required.
Is this phone compatible with all VoIP providers?
The T48S uses the standard SIP protocol, making it compatible with a vast majority of modern VoIP and IP-PBX systems.
How do I update the firmware?
Firmware updates are typically managed through the phone's web-based interface or via an auto-provisioning server managed by your IT department.
How many lines can I handle at once?
The T48S supports up to 16 lines, allowing for advanced call management.
Does this phone support Power over Ethernet (PoE)?
Yes, it features integrated IEEE 802.3af Power over Ethernet support.
Troubleshooting
The phone screen is blank
Check that the Ethernet cable is securely connected. If using PoE, verify that your switch provides power. If using a power adapter, ensure it is plugged into a functioning wall outlet.
No audio or poor sound quality
Check your network connection for stability and ensure that the handset cord is firmly plugged into both the phone and the receiver. Verify call settings within the admin menu.
Touchscreen is unresponsive
Clean the screen surface of any grime or oil. If the issue persists, perform a soft reboot by unplugging the power source for 10 seconds and plugging it back in.
Pros and Cons
Pros
- Large, easy-to-read 7-inch touchscreen display
- High-definition audio clarity for professional conversations
- Supports up to 16 lines for complex call handling
- Stable, reliable performance via wired Gigabit Ethernet connection
- Intuitive UI that reduces the learning curve for new users
Cons
- Requires a physical wired Ethernet connection
- No integrated Wi-Fi or Bluetooth functionality
- Large footprint may occupy significant space on compact desks
Setup, Compatibility & Care
To set up your T48S, connect the provided Ethernet cable from your network switch or router into the 'Internet' port on the back of the device. If your switch supports Power over Ethernet (PoE), the device will power on immediately. If not, ensure you are using an appropriate power adapter. The phone is compatible with most standard SIP-based VoIP platforms, making it highly versatile for existing office infrastructures. To care for your unit, keep the screen free of dust by wiping it gently with a dry, microfiber cloth. Avoid using harsh chemical cleaners or abrasive materials on the touchscreen, as these can damage the display's sensitivity.