T 48 s Daktela

Yealink Sip T48S - manager VoIP phone

The premium manager VoIP phone Yealink SIP-T48S is the highest model of the SIP-T4x series and it is the direct successor of the VoIP phone Yealink SIP-T48G. The phone offers a new hardware revision for greater stability and speed. It has a large 7 ”TFT-LCD touch screen with a resolution of 800 × 480 pixels.

Full-featured Broadsoft support allows Broadsoft UC to display details such as photos of contacts. Everything is packed in a premium design and in a high quality design

For maximum user comfort, the phone allows you to choose from 8 ringtones and you can also record your own ringtone. There are also buttons for speakerphone, redial or backlit buttons for the connected headset or mute the microphone.

XML / LDAP support is a matter of course, the phone also has an integrated USB port, through which a Bluetooth headset can be connected using a Bluetooth dongle. The phone has 29 programmable keys with support for BLF / BLA functions (busy / free on line).

The Yealink SIP-T48S phone has Czech and Slovak display and web management localization, so its operation is very simple and intuitive.

The device supports the Opus codec, which ensures high-quality sound. Opus supports 8 kHz (narrowband) and 16 kHz (wideband) sampling frequencies.

Up to 6 external expansion modules can be connected to the Yealink SIP-T48S, such as the Yealink EXP40 with LCD display, and a total of up to 240 slots for storing contacts with BLF / BLA functions.

! ATTENTION! The Yealink SIP-T48G supports PoE power. The package does not include the mains adapter!

PoE = Power over Ethernet – this is the use of a data cable leading to the IP phone and its power supply You can order the network adapter separately.

Product description:
■ 7 ″ TFT-LCD touch screen
■ Opus HD codec
■ Integrated USB port
■ UK localization

Data interfaces: Ethernet, 1x USB (for bluetooth handsfree)
Ethernet: 2 x 10/100/1000 Mbps
Network services: Fixed IP, DHCP, PPPoE
NAT: NAT (disabled in default), DHCP server
QoS: DiffServ / ToS / VLAN
Display type: Color
Display – size: 7 ”TFT-LCD touch, resolution 800 × 480 pixels
Display – backlit: Yes
VoIP standards: SIPv2
Codec support: Opus, G.711, G.722, G.723.1, G.726, G.729AB,
Dynamic Jitter Buffer
Peer-to-Peer Mode: Yes Number of SIP accounts: 16 Hands-free calling: Yes
Headset connection option: Yes, RJ9 connector
Ring and call volume settings: Yes
Number of ringtones: 8
Possibility to record your own ringtones: Yes
Date and time display: Yes
Local phone book: 1000 contacts
Remote phonebooks: XML, LDAP, Broadsoft
Number of programmable buttons: 29
History – list of incoming calls: 100
History – list of outgoing calls: 100
History – list of missed calls: 100
Security: SRTP, TLS (HTTPS, SIPS), login password, encrypted config. files
Voice Activity Detection (VAD): Yes
Comfort Noise Generator (CNG): Yes
Call functions: Divert, Hold, transfer, 3-way conferencing
Caller ID: Yes
Calling plan: Yes
Call waiting (CW): Yes
Automatic redial: Yes
Mute: Yes
Open API: XML application, Action URL, Active URI, Push XML
LED status indication: Yes
Firmware upgrade: Yes
Automatic configuration: Yes
IPv6 support: Yes
Expansion module support: Yes
Power adapter: DC 5V / 2A, adapter not included
PoE (IEEE 802.3af): Yes
PoE consumption: Max. 10.54 W
Management: Web, keyboard, car. configuration, SNMP
Diagnostics: trace, syslog Dimensions: 265 x 225 x 185 mm
Weight: 1200 g
Possibility of wall mounting: Yes (it is necessary to buy a holder)
Manuals: English
Warranty: 2 years

Headset connection:
You can connect professional headsets to your phone:
– Plantronics “HW” series via U-10P-S reduction cable (eg models HW251 / A, HW261 / A, etc.)
– Connect the Jabra using reduction cables: GN-88001-99 / GN-88011-99 / GN-8800-00-25 / GN-8800-01-06 (eg model BIZ-1500-NC-MONO)
You will need the Yealink EHS36 adapter for Jabra and Plantronics wireless headsets.



The product requires professional installation.

Installation and commissioning of the product requires a certain level of knowledge of IT issues, so we recommend entrusting them to qualified professionals.


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