High-End IP Phone · 4.3" IPS Display · Executives & Professionals
🏆 AUDIO EXCELLENCE · ENHANCED SECURITY · THE REFERENCE TOOL FOR EXECUTIVES
GLOBAL CS®
SIP-U131
The pinnacle.
10 SIP lines, large 4.3" IPS color display 480×272, 40 expandable DSS32 keys, USB Wi-Fi + call recording, VPN/TLS/SRTP security — the ultimate tool for strategic workstations.

10 SIP LinesIPS 4.3" 480×27240 DSS32 keysUSB Wi-Fi & RecordingVPN · TLS · SRTPGigabit · PoE af/atCE / FCC
10 SIP
Lines
IPS 4.3"
Display 480×272
40
DSS32 keys
USB
Wi-Fi + Recording
VPN/TLS
Enterprise security
Key highlights
4 decisive advantages
for executives.
10
Programmable SIP lines
The maximum in the SIP-U range — ×2.5 vs U121 · ×5 vs U111
IPS 4.3"
Color display 480×272 px
IPS technology — wide viewing angles, true-to-life colors
40
Expandable keys
DSS32 USB-C module — 8 native + 32 via expansion
USB
Wi-Fi + Recording + Playback
3 uses on a single USB 2.0 port — exclusive to SIP-U131
Features
Everything you need.
No complexity.
TOP
4.3" IPS Color Display · 480×272 px
IPS technology — wide viewing angles, more accurate colors. View all 10 SIP lines + BLF statuses at a glance.
IPS · 4.3" · 480×272 · Screen saver10 SIP Lines + 40 DSS32 Keys
10 SIP identities + DSS32 module via USB-C = 40 keys. BLF, presence monitoring, configurable shortcuts.
10 SIP · BLF · DSS32 · 40 keysMultifunction USB 2.0 · 3-in-1
A single USB 2.0 port for Wi-Fi dongle, call recording and audio playback — exclusive to SIP-U131.
USB: Wi-Fi · Recording · PlaybackGigabit + PoE af/at + Screen Saver
Gigabit 10/100/1000M network, dual-standard PoE, native screen/energy saver, 2–3 W.
Gigabit · PoE af/at · Screen saverVPN · TLS · SRTP · 802.1X
6 layers of enterprise protection for your most sensitive workstations.
VPN · TLS · SRTP · 802.1X · AESOpus + G.722 + BNE + 300ms Jitter
Audio excellence for critical meetings and negotiations.
Opus · G.722 · BNE · Jitter 300msDatasheet
Full specifications
📺 Display & Hardware
DisplayIPS color 4.3" — 480×272 px IPS
SIP Lines10 lines MAX
Max. keys40 with DSS32 ×5 vs U111
Screen saverDisplay / energy EXCLUSIVE
Contacts1,000 entries
Power consumption2–3 W
Temperature-10°C to +50°C
⚡ Connectivity
PoE802.3af/at
Ethernet2× RJ-45 Gigabit 10/100/1000M
USB 2.0Wi-Fi · Recording · Playback 3-IN-1
USB-CDSS32 module
CertificationsCE · FCC
🔊 HD Audio
HD CODECsG.722 · Opus
Narrowband CODECsG.711 A/μ · G.723.1 · G.729AB · G.726 · iLBC
Jitter buffer300 ms
BNEBackground noise reduction
ProcessingAEC · VAD · CNG · PLC · AGC
🌐 Network & Security
SIPv1 RFC2543 · v2 RFC3261
NATICE / STUN
IPIPv4 / IPv6 / Dual Stack
Voice qualityRTCP-XR · VQ-RTCPXR
SecurityVPN · TLS · SRTP · 802.1X · AES
Admin.CDP · LLDP · TR-069
QoSDSCP · VLAN 802.1p/Q
Supported protocols
Compatible with all IPBX
SIP v1/v2
RFC2543/3261
RFC2543/3261
TLS · SRTP
Voice security
Voice security
ICE / STUN
NAT traversal
NAT traversal
IPv4 / IPv6
Dual Stack
Dual Stack
VLAN 802.1p/Q
Segmentation
Segmentation
CDP · LLDP
Discovery
Discovery
TR-069
Zero deploy
Zero deploy
FTP/TFTP/HTTPS
Provisioning
Provisioning
SIP PnP
Plug & Play
Plug & Play
RTCP-XR
Voice quality
Voice quality
DSCP · QoS
Network quality
Network quality
IEEE 802.1X
Network auth.
Network auth.
Let's get started
U131P quote
within 24h.
- Custom quote based on volume
- Live demo U131P + IMAGINE platform
- Assisted VPN/TLS/SRTP configuration
- GLOBAL CS technical support included