Grandstream GXP1625 2-Line IP Phone with PoE

The Grandstream GXP1625 is a 2-line desk IP phone with 2 SIP accounts and a 2.95-inch backlit screen. It runs from a PoE switch or from a 5 V power adapter, and suits staff desks in small offices, clinics and schools.

====

The Grandstream GXP1625 is a no-frills desk phone from the GXP1600 basic line: two lines, two SIP accounts and a 2.95-inch backlit screen. Power it from a PoE switch or from a power adapter. It is meant for staff who need to answer, transfer and hold calls without fuss: small offices, clinics, school admin rooms and guard posts.

Grandstream GXP1625 specs at a glance

• 2 lines with dual-color LEDs, 2 SIP accounts.
• 2.95-inch backlit LCD, 132×48.
• Dual 10/100 Mbps ports with integrated 802.3af Class 2 PoE.
• HD wideband audio on handset and speaker, 3-way conferencing.
• Phonebook of up to 1,000 contacts, 200-entry call history.

PoE or adapter, your choice

PoE is what separates the GXP1625 from its sibling, the GXP1620. With a PoE switch, one cable carries both data and power, and the phone draws only 3.84 to 6.49 W. Without one, it runs on a 5 V / 600 mA power supply. The second port passes the network on to the PC, keeping it to one wall socket per desk.

A key for every routine task

You get 3 context-sensitive soft keys, 5 navigation keys and dedicated keys for the jobs people do all day: mute, transfer, conference, hold, redial, voicemail, page/intercom and record. New staff pick it up in minutes because each action has its own button instead of a menu path.

HD audio and headset support

Handset and speakerphone both handle wideband audio over G.722, with echo cancellation (AEC) and packet loss concealment (PLC) to keep speech clear when the network is busy. An RJ9 headset jack with EHS support for Plantronics headsets lets customer service staff answer from the headset without lifting the handset.

Security and bulk provisioning

Calls are encrypted with SRTP, management runs over TLS and HTTPS, and the phone supports 802.1x plus 256-bit AES encrypted config files. IT can provision a whole batch through TR-069 or XML files and update firmware over HTTP, HTTPS or TFTP. The GXP16xx admin guide lists Arabic among the screen languages, so staff can work in the language they prefer.

Where it fits in Saudi offices

• Staff desks in small and mid-sized companies.
• Reception at clinics and polyclinics.
• School administration offices.
• Guard rooms in residential buildings and warehouses, mounted on the wall.

Works with any SIP PBX

The GXP1625 registers to any PBX that speaks standard SIP, including Grandstream UCM and Yeastar systems, as well as hosted SIP providers. It also stores a backup server address, so if the main server goes down the phone fails over and the line stays up.

GXP1625, GXP1628 or GXP1630?

The GXP1625 has 10/100 ports, which is fine when the PC behind the phone does not need Gigabit speed. The GXP1628 keeps two lines but moves to Gigabit ports and adds 8 BLF keys for watching colleagues' extensions. The GXP1630 adds a third line, a 132×64 screen and 4-way conferencing. If you prefer the newer generation, the GRP2602P from the GRP2600 series offers 4 SIP accounts.

Frequently Asked Questions

What is the difference between the GXP1620 and GXP1625?

They share almost every spec. The GXP1625 adds PoE so it can be powered over the network cable; the GXP1620 runs on the adapter only.

Will it work with a Yeastar or Grandstream UCM PBX?

Yes. It works with any SIP PBX, including Yeastar and Grandstream UCM systems.

Specifications

• Model: GXP1625
• Series: GXP1600 Basic IP Phones
• Lines / SIP accounts: 2 lines with dual-color LEDs, 2 SIP accounts, up to 2 call appearances
• Keys: 3 XML-programmable context-sensitive soft keys, 5 navigation keys, dedicated function keys (MUTE, HEADSET, TRANSFER, CONFERENCE, HOLD, PAGE/INTERCOM, RECORD...)
• Network interface: Dual switched auto-sensing 10/100 Mbps Ethernet ports, integrated PoE
• Display: 132×48 (2.95") backlit graphical LCD
• Headset jack: RJ9 with EHS support for Plantronics headsets
• Audio: HD wideband audio on handset and speakerphone
• Voice codecs: G.711µ/a, G.722, G.723, G.726-32, G.729 A/B, iLBC
• DTMF / voice processing: In-audio, RFC2833, SIP INFO; VAD, CNG, AEC, PLC, AJB, AGC
• Telephony features: Hold, transfer, forward (unconditional/no answer/busy), 3-way conference, call waiting, SCA/BLA, auto answer, click-to-dial, flexible dial plan, music ringtones, server redundancy and failover
• Phonebook / call history: Up to 1,000 contacts (XML, LDAP), call history up to 200 records
• Stand / wall mount: Base stand with 2 angle positions, wall-mountable
• QoS: Layer 2 (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS)
• Security: User/admin access levels, MD5 and MD5-sess, 256-bit AES encrypted config files, TLS, SRTP, HTTPS, 802.1x
• Languages: Multi-language; Arabic is listed among LCD languages in the GXP16xx administration guide
• Upgrade / provisioning: Firmware via TFTP/HTTP/HTTPS, mass provisioning via TR-069 or AES-encrypted XML, FTP/FTPS
• Power supply: Input 100–240 VAC 50–60 Hz, output +5 VDC 600 mA
• PoE: IEEE 802.3af Class 2 (3.84–6.49 W), IEEE 802.3az (EEE)
• Dimensions: 209 × 184.5 × 76.2 mm with handset
• Weight: 0.73 kg
• Temperature / humidity: Operating 0–40°C, storage -10–60°C, humidity 10–90% non-condensing
• In the box: Phone, handset with cord, base stand, network cable, quick installation guide
• Compliance: FCC Part 15 Class B, CE, RCM

Features

• 2 lines, 2 SIP accounts: register to the company PBX plus a branch or SIP provider.
• Integrated 802.3af PoE or a power adapter: power it from the switch or the wall.
• 2.95-inch backlit LCD (132×48): caller ID and menus stay readable in dim rooms.
• Dual 10/100 Mbps ports: the PC plugs into the phone, so one cable serves the desk.
• HD audio and 3-way conferencing: clearer calls, and a colleague can join a customer call.