4
Missed Call
Muted
Network Down
Phone Locked
Ringer Muted
Speaker Phone
SRTP active for Call
Voicemail Waiting
VPN Enabled and
Active
ZRTP active for Call
S500 Phone Features
4 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Redial, call return, auto answer
5-way conferencing
Direct IP call
Ring tone selection/provisioning
Set date time automatically or manually
Dial plan per account
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
XML Browser
Action URL/URI
Voice Codecs Features
HD voice: HD handset, HD speaker
Codecs: iLBC, G.722, G.711(A/μ), GSM_FR, G.723,
G.729AB, G.726-32
DTMF: In-band, RFC 2833, SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, AGC, CNG, AEC, PLC, AJB
IP-PBX Features
Busy Lamp Field (BLF)
Physical Features
Stand with 3 adjustable angles
Wall mountable
External universal AC adapter : AC
100~240V input and DC 5V/1.2A output
Power consumption (PSU): 2.0~4.6W
Power consumption (PoE): 2.5~5.5W
Boxed dimension: 240x225x95 mm
Operating humidity: 10~95%
Operating temperature: -10~50°C
Management
Configuration: browser/LCD-Menu/auto-
provision
Auto provision via HTTP/HTTPS FTP/TFTP
Auto-provision with PnP
Reset to factory, restart, reboot
Local tracing log export, system log
Phone lock for personal privacy protection
Network and Security
SIP v1 (RFC2543), v2 (RFC3261)
SIP server/proxy redundancy
NAT Traversal: STUN mode
DHCP/static/PPPoE