Yealink SIP-T20P Entry Level IP Phone με 2 VoIP accounts

Κατασκευαστής: Yealink
Κωδικός Προϊόντος: Yealink SIP-T20P
Διαθεσιμότητα: Διαθέσιμο
SKU Προϊόντος: 158

35,96 

Τιμή χωρίς ΦΠΑ: 29,00 

Περιγραφή

Μεταχειρισμένη Yealink VoIP συσκευή χωρίς συσκευασία, χωρίς τροφοδοτικό.

2 SIP accounts,
TI Titan chipset            
High Definition Voice: HD Codec, HD speaker, HD handset            
2×15 characters LCD
2x RJ45 ports
Power over Ethernet (PoE)

Phone Features

2 VoIP accounts, hotline, emergency call
Call waiting, call transfer, call forward
Hold, mute, flash, auto-answer, redial
3-way conference, DND, speed dial
XML phonebook import/export, call history
Volume adjustment, ring tone selection
Tone scheme, System log
Multi-language (more than 20)

IP PBX System Integration

Dial plan, dial-now
Voicemail, MWI
Intercom
XML phonebook
Call park, call pickup
Distinctive ringtone

Codecs and Voice Features

Wideband codec: G.722
Narrowband codec: G.711, G.723.1, G.726, G.729AB
VAD, CNG, AEC, PLC, AJB, AGC
Full-duplex hands-free speakerphone with AEC

Network Features

SIP v1 (RFC2543), v2 (RFC3261)
NAT Traversal: STUN mode
DTMF: In-Band, RFC2833, SIP Info
Proxy mode and peer-to-peer SIP link mode
IP Assignment: Static/DHCP/PPPoE
TFTP/DHCP/PPPoE client
Telnet/HTTP/HTTPS server
DNS client
NAT/DHCP server

Management

FTP/TFTP/HTTP/PnP auto-provision
Configuration: browser/phone/auto-provision
Direct IP call without SIP proxy
Dial number via SIP server
Dial URL via SIP server

Security

HTTPS (server/client)
SRTP (RFC3711)
Transport Layer Security (TLS)
VLAN (802.1 pq), QoS
Digest authentication using MD5/MD5-sess
Secure configuration file via AES encryption
Phone lock for personal privacy protection
Admin/user configuration mode