IP Phone · 4 SIP Lines · 8 Tri-Color DSS LED · PoE
🔆 4 SIP · DSS LED GREEN/AMBER/RED · REAL-TIME PRESENCE

GLOBAL CS®
U33P
Presence at a glance.

4 SIP lines, 8 tri-color DSS LED keys (green/amber/red), 39 keys including 10 programmable, ×5 conference, 500 contacts, PoE, G.722 HD — your colleagues' availability visible at a glance.

Download the datasheet →Key features
GLOBAL CS U33P
4 SIP Lines8 DSS LED39 KeysConference ×5VPN · TLS · SRTPG.722 HDCE / FCC
4 SIP
Lines
8 DSS
Tri-color LED
39
Keys · 10 prog.
×5
Conference
PoE
802.3af included
Key features

Tri-color DSS LED.
Presence at a glance.

4
SIP Lines
Twice the U31P — manage 4 simultaneous streams
8
Tri-color DSS LED
Green=free · Amber=on call · Red=DND
39
Keys · 10 prog.
BLF, shortcuts, colleague status monitoring
×5
Conference
5 participants without dedicated infrastructure
Features

Everything you need.
No complexity.

KEY
🔆

8 Tri-Color DSS LED · Real-Time Presence

8 DSS LED keys: green (free), amber (on call), red (DND). Instantly see who is available without interrupting anyone.

8 DSS · Green/Amber/Red · BLF
📱

4 SIP Lines · 39 Keys · 10 Prog.

4 SIP identities + 39 keys including 10 programmable for shortcuts, BLF, call pickup and direct transfer.

4 SIP · 39 keys · 10 prog.
👥

Conference ×5 · 500 Contacts · LDAP

5 participants, 500-entry directory, remote LDAP/XML, blacklist, smart search.

×5 · 500 contacts · LDAP
🔒

VPN · TLS · SRTP · 802.1X

VPN, TLS signaling, SRTP audio, 802.1X, HTTPS, anti-SIP — complete enterprise security.

VPN · TLS · SRTP · 802.1X
🔊

HD Audio G.722 · Opus · BNE

G.722, Opus, G.711, G.729AB, iLBC, AEC, VAD, CNG, PLC, AGC, BNE.

G.722 · Opus · BNE · AEC
⚡

PoE 802.3af · Gigabit · USB-C

PoE 802.3af, Gigabit 10/100/1000M, USB-C DSS, 2–3 W.

PoE · Gigabit · USB-C · 2–3 W
Datasheet

Full specifications

📺 Display & Hardware

Display2.8" backlit
SIP Lines4 SIP
DSS LED8 tri-color keys PRESENCE
Keys39 · 10 programmable
Contacts500 · LDAP · XML
Conference×5 participants MAX
Power consumption2–3 W
Temperature-10°C to +50°C

⚡ Connectivity

PoE802.3af INCLUDED
Ethernet2× RJ-45 Gigabit
USB-CDSS Module
Interfaces2× RJ-9
CertificationsCE · FCC

🔊 HD Audio

HD CODECsG.722 · Opus HD
Narrowband CODECsG.711 A/μ · G.729AB · iLBC · G.726
ProcessingAEC · VAD · CNG · PLC · AGC · BNE
DTMFIn-band · RFC2833 · SIP INFO

🌐 Network & Security

SIPv1 RFC2543 · v2 RFC3261
NATICE / STUN
IPIPv4 / IPv6 / Dual Stack
Voice qualityRTCP-XR · VQ-RTCPXR
SecurityVPN · TLS · SRTP · 802.1X
DeploymentTR-069 · SIP PnP
QoSDSCP · VLAN 802.1p/Q
Supported protocols

Compatible with all IPBX

SIP v1/v2
RFC2543/3261
TLS · SRTP
Voice security
ICE / STUN
NAT traversal
IPv4 / IPv6
Dual Stack
VLAN 802.1p/Q
Segmentation
CDP · LLDP
Discovery
TR-069
Zero deploy
FTP/TFTP/HTTPS
Provisioning
SIP PnP
Plug & Play
RTCP-XR
Voice quality
DSCP · QoS
Network quality
IEEE 802.1X
Network auth.
Let's get started

U33P Quote
within 24h.

  • Custom quote based on volume
  • Live Demo U33P + IMAGINE platform
  • Assisted VPN/TLS/SRTP configuration
  • GLOBAL CS technical support included