Audio Features |
HD voice: HD handset, HD speaker |
Hearing aid compatible (HAC) handset |
Acoustic Shield |
Audio codec: Opus, G.722, PCMA, PCMU, G.729A/B, G.726, G.723.1, 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 |
Interface |
Dual-port Gigabit Ethernet |
Power over Ethernet (IEEE 802.3af) |
1 x USB port (2.0 compliant) |
1 x RJ9 (4P4C) handset port |
1 x RJ9 (4P4C) headset port |
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/PPPoE |
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 (TLS1.2) |
HTTPS certificate manager |
AES encryption for configuration file |
Digest authentication using MD5/MD5-sess |
OpenVPN, IEEE802.1X |
IPv6, LLDP/CDP/DHCP VLAN, ICE |
Physical Features |
Color: Classic Grey |
Wall mountable (optional) |
External Yealink AC adapter (optional) : AC 100~240V input and DC 5V/2A output |
Dimension (W*D*H*T): 259.4mm*220mm*211mm*44.5mm |
Operating humidity: 10~95% |
Operating temperature: 0~40°C (+32~104°F) |
Box Inclusion |
Yealink SIP-T57W IP phone |
Handset with handset cord |
Ethernet Cable |
Stand |
Quick Start Guide |
Power Adapter (Optional) |
Delivery varies by location, please see the expected timeframe to receive your product below:
Metro: 1-4 business days
Regional: 1-6 business days No delivery to PO Box addresses or Parcel Lockers.
If you are unavailable at the time of delivery re-delivery fees may apply.
Customer may return Products purchased from MyITHub and receive a credit of the paid price, subject to the following: (a) the Product for return is logged on MyITHub website or via Email; (b) the Product is returned to MyITHub within fourteen (14) days of the invoice date; (c) the list price of the Product has not decreased from the price paid; (d) the Product is new and Unused; (e) the Product is in its original package, which has not been damaged or altered; (f) Products sold on a “no returns basis” are excluded. MyITHub reserves the right to apply the No Returns Basis policy to any promotional or sales product (s) as it deems necessary. and (g) MyITHub determines, in it sole judgment, that Customer is in good standing. Products satisfying all the foregoing requirements may also be returned subject to a 20% restocking fee.
Products purchased from MyITHub that are determined to be defective within fourteen (14) days of the invoice date, may be returned to MyITHub for assistance in processing a manufacturers warranty, provided that the product is covered by a manufacturer’s warranty and the Customer is determined, in MyITHub sole judgment, to be in good standing.
Estimated Delivery Time Frame: 1