IP Phone · Entry Level · 2 SIP Lines · PoE 802.3af
☎ SIMPLE · RELIABLE · BUILT FOR TEAMS

GLOBAL CS®
U31P
Professional IP at an accessible price.

2 SIP lines, 2.8" display, 31 keys including 4 programmable, 500 contacts, PoE 802.3af, G.722 HD — professional IP communications without compromise, from day one.

Download the datasheet →Key features
GLOBAL CS U31P
2 SIP Lines31 Keys500 ContactsPoE 802.3afVPN · TLS · SRTPG.722 HDCE / FCC
2 SIP
Lines
31
Keys
500
Contacts
G.722
HD Codec
PoE
Network power
Key features

Easy to deploy.
Feature-rich.

2
Programmable SIP lines
SIP v1/v2 · RFC2543/3261 · BLF included
31
Keys · 4 prog.
Shortcuts, direct transfer, speed dial
500
Local contacts
Remote LDAP/XML · blacklist · smart search
PoE
802.3af included
No power adapter required · Gigabit · USB-C DSS
Features

Everything you need.
No complexity.

KEY
📞

2 SIP Lines · 31 Keys

2 independent SIP identities, 31 keys including 4 programmable for shortcuts, BLF and direct transfer. Immediate ease of use.

2 SIP · BLF · 4 prog.
🔊

HD Audio G.722 · Hands-free

G.722 wideband, G.711, G.729AB, iLBC. AEC, VAD, CNG, PLC, AGC. Full-duplex built-in speakerphone.

G.722 · G.711 · iLBC · AEC
📒

500 Contacts · LDAP · XML

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

500 contacts · LDAP · XML
🔒

VPN · TLS · SRTP · 802.1X

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

VPN · TLS · SRTP
⚡

PoE 802.3af · Gigabit · USB-C

PoE 802.3af with no adapter needed. Gigabit 10/100/1000M. USB-C DSS. 2–3 W ultra-low power consumption.

PoE · Gigabit · USB-C · 2–3 W
🌐

SIP · IPv4/IPv6 · TR-069

SIP RFC2543/3261, ICE/STUN NAT, IPv4/IPv6 Dual Stack, VLAN, TR-069 zero-touch deployment.

SIP · ICE · TR-069 · PnP
Datasheet

Full specifications

📺 Display & Hardware

Display2.8" backlit
SIP Lines2 SIP
Keys31 · 4 programmable
Contacts500 · LDAP · XML
Dimensions187 × 184 × 147 mm
Power consumption2–3 W ECO
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
ProcessingAEC · VAD · CNG · PLC · AGC
DTMFIn-band · RFC2833 · SIP INFO

🌐 Network & Security

SIPv1 RFC2543 · v2 RFC3261
NATICE / STUN
IPIPv4 / IPv6 / Dual Stack
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

U31P Quote
within 24h.

  • Custom quote based on volume
  • Live Demo U31P + IMAGINE platform
  • Assisted VPN/TLS/SRTP configuration
  • GLOBAL CS technical support included