Yeastar P520
Free · Visible Calling Experience
Supports 20 extension users, up to 4 analog extensions, 4 analog trunks. Efficient communication with simple management, no dedicated IT staff required.
20
Users
10
Concurrent Calls
4
FXS Ports (max)
4
FXO Ports (max)

01
Efficient Communication
Web-based voice/video calls with a visual call interface, making communication more intuitive and efficient.
02
Simple Management, No Dedicated Staff Required
New UI backend with clear guided setup, user-friendly interface. No need to hire dedicated maintenance staff. Network-based voice transmission eliminates traditional phone wiring constraints.
03
Rich Features, Driving Enterprise Growth
Covers basic voice features, enterprise communication features, and subscription/licensing features, meeting daily communication needs while enhancing internal and external communication efficiency.
Basic Features
Inbound Routing
Outbound Routing
Call Waiting
Call Pickup
Call Hold
Call Park
DND
Three-way Call
Simultaneous Ring Mobile
Barge/Whisper
Missed Call Email Alert
Custom Prompt
Intercom
Call Transfer (Consultative/Blind)
Call Forward (No Answer/Busy/Unconditional)
Extension Status
Video Call (1-on-1)
Advanced Features
Conference Room
Call Recording
Call Log
Speed Dial
Ring Group
Auto Attendant
Org Chart
Auto Provisioning
Enterprise Directory
LDAP/LDAPS
ACD
Shared Voicemail
Distinctive Ring
Time Condition
Smart Inbound Match
Voicemail
Broadcast Group
Scheduled Broadcast
Call Queue
Satisfaction Survey
Dynamic/Static Agent
SLA
QCB
Popup URL
Hot Standby
T.38/T.30 Fax
Fax to Email
BLF (Web/Google Extension)
CTI
File Sharing (Samba/FTP/TFTP)
Value-Added Features
Operator Panel
Queue Console
Queue Dashboard
Call Report
Voicemail Transcription
Video Conference
Pro Directory
API Service
CRM Integration
FQDN
Billing Report
Tunnel Service
Tunnel Service Upgrade
Mobile Linkus
Web Linkus
Linkus Google Extension
Instant Messaging
System Security
Country IP Defense
Outbound Frequency Limit
Extension Binding
International Call Defense
Firewall
IP Blocklist
Static IP Defense
Auto IP Defense
SRTP Encryption
TLS Encryption
Capacity
Users20
Concurrent Calls10
FXS Ports (max)4
FXO Ports (max)4
VoIP Trunks50
Hardware
Network Ports2 × 10/100/1000 Mbps
TF Card1
PowerDC 12V 1A
Dimensions (W×D×H)160 × 160 × 30 mm
Weight0.3 KG
InstallationDesktop
VoIP
ProtocolSIP (RFC3261)
Transport ProtocolUDP, TCP, TLS, SRTP
Voice CodecG711(alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM, iLBC
Video CodecVP8, H263, H263P, H264, MPEG4
DTMFIn-band, RFC4733, RFC2833, SIP INFO
Frequently Asked Questions
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