CALL US: 0330 580 0000
MAIN FEATURES
HD AUDIO

Pick numbers which are right for your business, we supply every area code in the UK as well as non-geographical 0330 and Freephone 0800 numbers.

PROGRAMMABLE KEYS

Seamlessly port your numbers to SiPalto. We take care of the entire porting process and keep you up to date along the way. We ensure a seamless change over.

EXAPANDABLE

All features and settings are managed via our online dashboard, there is no setting we can do that you can’t, you have complete control over your system.

CONNECTIVITY

Manage all desk phones remotely, you can swap extensions, set button keys, check connection status and upgrade or reboot phones all from our dashboard.

SECURITY

Pick numbers which are right for your business, we supply every area code in the UK as well as non-geographical 0330 and Freephone 0800 numbers.

HAC COMPATIBLE

Seamlessly port your numbers to SiPalto. We take care of the entire porting process and keep you up to date along the way. We ensure a seamless change over.

MOUNTING OPTIONS

All features and settings are managed via our online dashboard, there is no setting we can do that you can’t, you have complete control over your system.

TECHNICAL SPECIFICATIONS
AUDIO FEATURES

HD voice: HD handset, HD speaker.
Hearing aid compatible (HAC) handset.
Wideband codec: AMR-WB (optional), Opus*, G.722.
Narrowband codec: AMR-NB (optional), Opus*, G.711(A/μ), G.723.1, G.729, G.729A, G.726, iLBC.
DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO.
Full-duplex hands-free speakerphone with AEC.VAD, CNG, AEC, PLC, AJB, AGC.

PHONE FEATURES

12 VoIP accounts> One-touch speed dial, redial, call forward, call waiting.
Call transfer, call hold, call return, group listening.
Mute, auto answer, DND, 3-way conference call.
Direct IP call without SIP proxy.
Ring tone selection/import/delete> Hotline, emergency call.
Set date time manually or automatically.
Dial plan, XML Browser, Action URL/URI.
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035).
USB port (2.0 compliant):
- Bluetooth earphone through BT40/BT41,
- Contact synchronization through BT40/BT41,
- Wi-Fi through WF40/WF50,
- USB call recording through USB flash drive.
USB connectivity to Yealink UH36 headset:
- Basic functions: Answer / end, call mute
- Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control
Enhanced DSS key

DIRECTORY

Local phonebook up to 1000 entries> Black list.
XML/LDAP remote phonebook.
Smart dialling> Phonebook search/import/export.
Call history: dialled/received/missed/forwarded.

IP-PBX FEATURES

Busy Lamp Field (BLF), Bridged Line Appearance (BLA).
Anonymous call, anonymous call rejection.
Hot-desking, voice mail> Flexible seating, Executive and Assistant.
Call park, call pickup.
Centralized call recording.
Visual voice mail.
Call recording.

DISPLAY AND INDICATOR

2.7" 192x64-pixel graphical LCD with backlight.
LED for call and message waiting indication.
Dual-colour (red or green) illuminated LEDs for line status information.
Intuitive user interface with icons and soft keys.
Multilingual user interface.
Caller ID with name and number.
Power saving

KEY FEATURES

6 line keys with LED.
6 line keys can be programmed up to 15 paperless DSS keys (3-page view).
5 features keys: message, headset, mute, redial, hands-free speakerphone.
4 context-sensitive “soft” keys.
6 navigation keys.
2 volume control keys.
Illuminated mute key.
Illuminated headset key.
Illuminated hands-free speakerphone key.

INTERFACE

Dual-port Gigabit Ethernet.
Power over Ethernet (IEEE 802.3af), Class 2.
1 x USB port (2.0 compliant).
1 x RJ9 (4P4C) handset port.
1 x RJ9 (4P4C) headset port.
1 x RJ12 (6P6C) EHS port.

OTHER PHYSICAL FEATURES

Colour: Classic Grey.
Stand with 2 adjustable angles.
Wall mountable.
External Yealink AC adapter (optional): AC 100~240V input and DC 5V/1.2A output.
Power consumption (PSU): 1.7-3.2W.
Power consumption (PoE): 2.5-4.7W.
Dimension (W*D*H*T): 212mm*189mm*175mm*54mm.
Operating humidity: 10~95%.Operating temperature: -10~50°C (+14~122°F).

MANAGEMENT

Configuration: browser/phone/auto-provision.
Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy.
Auto-provision with PnP.
Zero-sp-touch, TR-069.
Phone lock for personal privacy protection.
Reset to factory, reboot.
Package tracing export, system log.

NETWORK AND SECURITY

SIP v1 (RFC2543), v2 (RFC3261).
Call server redundancy supported.
NAT traversal: STUN mode.
Proxy mode and peer-to-peer SIP link mode.
IP assignment: static/DHCP.
HTTP/HTTPS web server.
Time and date synchronization using SNTP.
UDP/TCP/DNS-SRV(RFC 3263).
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP.
SRTP for voice.
Transport Layer Security (TLS).
HTTPS certificate manager.
AES encryption for configuration file.
Digest authentication.
OpenVPN, IEEE802.1X.IPv6.LLDP/CDP/DHCP VLAN.ICE.

KEY FEATURES

Package content:
- Yealink SIP-T42S IP phone
- Handset with handset cord
- Ethernet Cable (2m CAT5E UTP Cable)
- Stand
- Quick Start Guide
- Power Adapter (Optional)
- Wall Mount Bracket (Optional)
Qty/CTN: 5 PCS.
N.W/CTN: 6.4 kg> G.W/CTN: 7.0 kg
Giftbox size: 246mm*223mm*120mm
Carton Meas: 627mm*256mm*235mm

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