IP Phone · High-End · 6 SIP · 3.5" Display · Premium
🏆 6 SIP LINES · 3.5" DISPLAY · 10 DSS LED · PREMIUM

GLOBAL CS®
U35P
The premium choice.

6 SIP lines, large 3.5" display, 41 keys including 10 programmable, 8 tri-color DSS LED, ×5 conference, 500 contacts, PoE 802.3af — the high-end IP phone for strategic workstations.

Download the datasheet →Key highlights
GLOBAL CS U35P
6 SIP Lines3.5" Display41 Keys8 DSS LEDVPN · TLS · SRTPG.722 HDCE / FCC
6 SIP
Lines
3.5"
Large display
41
Keys · 10 prog.
8 DSS
Tri-color LED
PoE
802.3af included
Key highlights

6 Lines. Large 3.5" display.
The premium handset.

6
Programmable SIP lines
Triple the U31P — the maximum in the U-series range
3.5"
Large backlit display
Superior reading comfort for long-duration workstations
41
Keys · 10 prog.
10 programmable + 8 tri-color DSS LED
×5
Conference
5 participants with no dedicated infrastructure
Features

Everything you need.
No complexity.

TOP
🖥️

Large 3.5" Display · 6 SIP Lines

Large 3.5" backlit display + 6 simultaneous SIP identities. View all your lines, contacts and statuses at a glance.

6 SIP · 3.5" Display · Premium
🔆

8 Tri-color DSS LED · 10 Prog.

8 DSS LED keys (green/amber/red) + 10 programmable + 41 keys total.

8 DSS · 10 prog. · BLF
👥

Conference ×5 · 500 Contacts

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

×5 · 500 contacts · LDAP
🔒

VPN · TLS · SRTP · 802.1X

Enterprise security suite — VPN, TLS, SRTP, 802.1X, HTTPS, anti-SIP.

VPN · TLS · SRTP · 802.1X
🔊

G.722 HD Audio · Opus · AGC

G.722 HD, 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, USB-C DSS, 2–3 W, -10°C to +50°C.

PoE · Gigabit · USB-C
Datasheet

Full specifications

📺 Display & Hardware

Display3.5" backlit LARGE
SIP Lines6 lines MAX U-SERIES
DSS LED8 tri-color keys
Keys41 · 10 programmable
Contacts500 · LDAP · XML
Conference×5 participants
Power consumption2–3 W
Temperature-10°C to +50°C

⚡ Connectivity

PoE802.3af
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

U35P quote
within 24h.

  • Custom quote based on volume
  • Live demo U35P + IMAGINE platform
  • Assisted VPN/TLS/SRTP configuration
  • GLOBAL CS technical support included