The complete
GLOBAL CS®
IP range.
From entry-level to executive handset — 8 models to equip every workstation in your business. Entry-level, mid-range, premium, video phone, cordless, SMEs, enterprise, executives.
Click on a phone to access its product sheet
Every workstation has its phone.
GLOBAL CS offers three complementary ranges covering every user profile, from small businesses to executive desks, from the office to the field.
U-Series Desktop IP phones
The original GLOBAL CS range. Clean design, proven reliability — from entry-level models to equip every team, to the large-screen Android video phone for boardrooms.
WiFi SIP Cordless
Complete freedom in the workplace. Android cordless handset, WiFi 2.4/5 GHz with AP roaming, FoTA Cloud, PTT walkie-talkie, Bluetooth — for field teams, warehouses, and hospitals.
SIP-U Professional
The high-performance professional range. From the SME/small business entry point (SIP-U111) to the executive handset with 4.3" IPS display, 10 lines, and USB Wi-Fi (SIP-U131) — a natural progression.
8 phones. One coherent range.
Each model is designed for a specific profile — click on a sheet to access full specifications, landing page, and sales materials.
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.
U33P
Visible presence.
4 SIP lines, 8 tri-color DSS LED, 39 keys including 10 programmable, ×5 conference, G.722 HD.
U35P
The premium choice.
6 SIP lines, large 3.5" display, 41 keys including 10 programmable, 8 DSS LED, ×5 conference.
U42P
Android 720p video.
7" TFT touchscreen, H.264 720p camera, Android, 6 SIP, HDMI, USB, MicroSD.
WiFi SIP 5GHz
Total freedom.
WiFi 2.4/5 GHz, AP roaming, Android, FoTA Cloud, PTT walkie-talkie, 5+ days standby.
SIP-U111
Professional IP for SMEs.
2 SIP, 13 programmable keys, ×5 conference, 1,000 contacts, PoE af/at, 17 languages, 300ms jitter.
SIP-U121
4 SIP · Color display.
4 SIP lines, 2.4" HD color LCD display, ×5 conference, 1,000 contacts, VPN/TLS/SRTP.
SIP-U131
10 SIP · IPS 4.3".
10 SIP, 4.3" IPS color 480×272, 40 DSS32 keys, USB Wi-Fi & call recording, Gigabit PoE.
All models side by side.
Compare key specifications across every phone to choose the model best suited to each user profile.
| Specification | U31P | U33P | U35P | U42P | WiFi SIP 5GHz | SIP-U111 | SIP-U121 | SIP-U131 |
|---|---|---|---|---|---|---|---|---|
| SIP lines | 2 | 4 | 6 | 6 | 2 | 2 | 4 | 10 |
| Display | 2.8" | 2.8" | 3.5" | 7" Touch | 320×240 | 2.4" mono | 2.4" color | IPS 4.3" |
| Prog. keys | 4 | 10 | 10 | — | — | 13 | — | 40 DSS32 |
| Conference | ×5 | ×5 | ×5 | Multi | ×5 | ×5 | ×5 | ×5 |
| Contacts | 500 | 500 | 500 | 500 | 500 | 1,000 | 1,000 | 1,000 |
| HD audio | G.722 | G.722 | G.722 | G.722+Vid. | Opus+G.722 | Opus+G.722 | Opus+G.722 | Opus+G.722 |
| Security | VPN/TLS/SRTP | VPN/TLS/SRTP | VPN/TLS/SRTP | VPN/TLS/SRTP | WPA2+SRTP | VPN/TLS/SRTP | VPN/TLS/SRTP | VPN/TLS/SRTP |
| PoE | 802.3af | 802.3af | 802.3af | 802.3af | — | af+at | af+at | af+at |
| Network | Gigabit | Gigabit | Gigabit | Gigabit | WiFi 5GHz | 10/100M | 10/100M | Gigabit |
| Standout | Entry | DSS LED | 3.5" display | Android 7" | PTT Roaming | 13 keys | Color | IPS+USB WiFi |
The right phone
for every profile.
Small businesses / Small teams
Start with the U31P (2 SIP, PoE, G.722) or the SIP-U111 (13 keys, 1,000 contacts, ×5 conference) — the best value for equipping every workstation.
→ U31P → SIP-U111Collaborative teams
Choose the U33P (8 tri-color DSS LED, real-time presence) or the SIP-U121 (4 SIP, color display) — presence monitoring and multi-line for teams that work together.
→ U33P → SIP-U121Strategic workstations
The U35P (6 SIP, 3.5" display) or the SIP-U131 (10 SIP, IPS 4.3", 40 keys, USB Wi-Fi) — for managers, directors, and VIP receptionists who demand the best.
→ U35P → SIP-U131Video meetings
The U42P (Android video phone, 7" touchscreen, H.264 720p, 4 video modes) turns any desk into an instant video meeting room — ideal for reception, executive offices, and conference rooms.
→ U42P Video phoneMobile teams
The WiFi SIP 5GHz frees field teams — warehouses, hospitals, hotels. AP roaming, PTT walkie-talkie, 5+ days standby, FoTA Cloud — mobility without compromise.
→ WiFi SIP CordlessSecure environments
Every model includes VPN, TLS, SRTP, IEEE 802.1X, HTTPS, and SIP anti-attack protection. For regulated sectors (banking, healthcare, government), the SIP-U series additionally offers AES encryption for configuration files.
→ SIP-U rangeEquip your business.
Quote within 24h.
A GLOBAL CS expert will guide you in selecting the right models for each user profile, configure your SIP infrastructure, and arrange a live demonstration.