How is the GXP2140 different from the GXP2170?

The GXP2170 has a 4.3-inch main screen AND a 2.8-inch secondary screen with native BLF keys (48 native multi-page), 12 SIP accounts (vs 4), and a slightly nicer build. About $40 more.

Does it support Wi-Fi natively?

Not built-in. Use a Grandstream USB Wi-Fi dongle on the USB port. For built-in Wi-Fi, the modern GRP2614 / GRP2615 are the equivalent.

Can it use a USB headset?

Yes — any standard USB headset works. The USB port is also where a Wi-Fi dongle plugs in if you need wireless.

Will it auto-provision on voip.army?

Yes. Same provisioning flow as the rest of our Grandstream catalog.

Grandstream · GXP series · legacy enterprise plus

Grandstream GXP21404.3-inch screen, USB on board.

A 4.3-inch color TFT LCD, four SIP accounts, eight dual-color line keys with multi-page support (32 effective keys), dual gigabit, PoE class 2, built-in Bluetooth, USB host port, and 4× GXP2200EXT sidecar support. The GXP2140 is the GXP2135 with a bigger screen and a USB port — for $20 more it covers a lot more ground.

Display

4.3″ color TFT · 480×272

SIP accounts

4 lines

Programmable keys

8 keys × 4 pages = 32

Ethernet

Dual gigabit · PoE class 2

USB + Bluetooth

Built in

Expansion

Up to 4× GXP2200EXT

$189 one-time

or rent for $11.99/mo — month-to-month, return anytime

Ships pre-configured · free next-business-day for orders $200+

Order a GXP2140 Rent for $11.99/mo Datasheet (PDF) ↓

✓ Auto-provisioned out of the box ✓ Warranty replacement included with rental ✓ Free shipping on orders $200+

Grandstream GXP2140 voip desk phone — front view with handset and display — Grandstream GXP2140

Why the GXP2140 is on the catalog.

The GXP2140 is the GXP2135 with two real upgrades: a 4.3-inch color TFT (vs the GXP2135's 2.8-inch) and a USB host port. The bigger screen makes everything from caller ID to directory browsing dramatically more comfortable; the USB port enables USB headsets and Grandstream's USB Wi-Fi dongle.

Where it makes sense: any GXP-family deployment where users actually spend screen time on the phone — directory lookups, voicemail browsing, call-history navigation, conference setup. The 4.3-inch screen is the difference between 'glance for caller ID' and 'use the phone like a small terminal.'

Modern equivalent: the GRP2614 (~$50 less) has the same 4.3-inch screen, more SIP lines (16 vs 4), built-in Wi-Fi (no dongle needed), built-in Bluetooth, USB. For new deployments, the GRP2614 is a substantially better value. The GXP2140 is the right pick for extending existing GXP fleets or where the specific 4-line / 32-key / sidecar combo matches what you already have.

Full technical specifications.

Display & user interface
Display	4.3-inch 480×272 color TFT LCD
Programmable keys	8 dual-color line keys × 4 pages = 32 effective
Soft keys	4 XML soft keys
VoIP & SIP
SIP accounts	4 SIP accounts, 4 lines
Protocols	SIP RFC3261, NAT (STUN), TLS, SRTP, BLF, SCA
Codecs	Opus, G.722, G.711a/u, G.726, G.729A/B, iLBC
Provisioning	TR-069, XML, GDMS
Audio
HD voice	HD handset, HD speaker, HD headset
Headset	RJ9 wired, USB, Bluetooth, EHS via adapter
Connectivity
Ethernet	Dual 10/100/1000 Mbps gigabit
PoE	IEEE 802.3af Class 2
Bluetooth	Built-in Bluetooth 4.0
USB	1× USB 2.0 host port
Wi-Fi	Optional via Grandstream USB Wi-Fi dongle
Expansion
Sidecar	Up to 4× GXP2200EXT
Max effective keys	192
Physical
Dimensions	245 × 205 × 80 mm
Weight	Approximately 1.1 kg
In the box (from voip.army)
Included	GXP2140 handset, base, curl cord, ethernet cable, stand, provisioning card
Not included	Power adapter (PoE preferred), USB Wi-Fi dongle, sidecars if needed

How it works on voip.army.

Plug the GXP2140 into PoE and ethernet. About a minute later it has registered to your extension. Same auto-provisioning flow as every other supported phone — no SIP credentials to type, no firmware to chase.

60s

Time from plug-in to first call

Boot, fetch config from our provisioning server, register, ready. About one minute on a normal connection.

SIP accounts on one phone

4 lines per phone. Each line key has a dual-color LED for status at a glance.

Programmable keys

8 keys × 4 pages = 32 mapped from the voip.army portal — BLF, paging, parking, transfer destinations.

Per-device onboarding fees

Bringing your own? Send the MAC, factory-reset, plug in. No charge to add it to the fleet.

802.3af

PoE class

Standard PoE — any 802.3af-compliant switch from the last 15 years powers the phone without an adapter.

GDMS

Grandstream Device Management

Provisioning template tested against every Grandstream firmware release for GXP2140. We catch regressions before they reach your fleet.

Need GXP2140s for every desk?

Tell us how many you need and what extensions to map. We ship pre-configured next business day; you plug them in and they work.

Get a quote Start a free trial first

✓ Free shipping on orders $200+ ✓ 30-day hardware return ✓ Pre-configured before shipping

Grandstream GXP21404.3-inch screen, USB on board.

Why the GXP2140 is on the catalog.

Full technical specifications.

How it works on voip.army.

Time from plug-in to first call

SIP accounts on one phone

Programmable keys

Per-device onboarding fees

PoE class

Grandstream Device Management

Phones to compare it against.

Grandstream GXP2135

Grandstream GXP2170

Grandstream GRP2614

Need GXP2140s for every desk?