Grandstream GXP1628 Desktop IP Phone

The Grandstream GXP1628 is a desktop IP phone aimed at a two-account desk that benefits from Gigabit pass-through and dedicated BLF or speed-dial access. The GXP1628 supports 2 SIP accounts through 2 line keys and presents call information on a 132 x 48 (2.95-inch) backlit graphical LCD. Its network interface is Dual auto-sensing switched 10/100/1000 Mbps Ethernet, and Integrated IEEE 802.3af Class 2 PoE allows power and data planning around a compatible network switch. HD audio is available through the handset and full-duplex speakerphone, giving users practical choices for private calls, hands-free work, and small group conversations. This balance makes the phone suitable for defined office roles rather than oversized operator positions. A Saudi business buyer can evaluate the GXP1628 by matching account count, network speed, programmable controls, headset workflow, and environmental limits to the intended desk before rollout.

Daily calling with Grandstream GXP1628

The GXP1628 supports up to up to 2 call appearances and 3-way audio conference. The GXP1628 audio specification is HD handset and full-duplex HD speakerphone; G.711µ/a, G.722, G.723, G.726-32, G.729 A/B, iLBC. These capabilities let a user move between handset, speakerphone, and conference work without adding a separate room device for ordinary small discussions. The GXP1628 includes 3 XML-programmable context-sensitive soft keys, so administrators can expose context-relevant actions while keeping the main interface focused. The backlit screen helps staff read caller and menu information in changing office light. For reception, administration, sales support, or a service counter, the practical question is whether the stated account and appearance capacity covers the role’s normal call flow. When it does, the phone remains easier to standardize than a higher-capacity console with controls the user will not need.

Network and power deployment

The GXP1628 uses Dual auto-sensing switched 10/100/1000 Mbps Ethernet. Because the GXP1628 has switched Ethernet connectivity, the deployment team can plan the phone and a nearby workstation around the desk’s network layout, subject to the required link speed. The GXP1628 supports Integrated IEEE 802.3af Class 2 PoE. Its alternative power specification is 100–240 VAC input, 5 VDC/600 mA output; IEEE 802.3af Class 2 PoE. PoE can reduce local adapter dependence and makes centralized backup practical when the supporting switch and power design are prepared for it. Before installation, confirm the VLAN and addressing plan, SIP service settings, switch-port policy, cable path, and available PoE class. The GXP1628 should then be labeled by location and extension so support staff can trace it quickly during moves or faults.

Headsets, directories, and repeated tasks

The GXP1628 headset interface is RJ9; EHS support for Plantronics headsets. This suits users who need hands-free calling at a fixed desk and allows the project team to check the selected headset against the stated connection method. The GXP1628 stores up to 1000 contacts and a call history of 200 entries, giving regular users useful local access to recurring numbers and recent activity. The GXP1628 also has 8 dual-color BLF or speed-dial keys, which can place frequently watched extensions or regular destinations within direct reach. Directory preparation matters in a multi-site rollout: consistent naming and extension records reduce guesswork for staff and make replacement phones easier to provision.

Saudi workplace use cases

The GXP1628 can serve an employee desk, clinic administration point, school office, retail back office, hotel service desk, warehouse supervisor, or branch reception position when its account capacity matches the job. HD handset audio helps with routine private conversations, while the full-duplex HD speakerphone supports hands-free coordination. The conference capability gives the role a defined way to include several parties without moving every discussion to a meeting platform. Security teams should apply the GXP1628 features listed as 256-bit AES configuration encryption, TLS, SRTP, HTTPS, 802.1x within the organization’s own certificate, credential, and network-access process. Physical placement should keep the display visible, the handset cable clear, and the network connection protected from accidental disconnection.

Position in the GXP16 family

The GXP1628 is best selected by its own desk role. The GXP1625 is the simpler Fast Ethernet choice, while the GXP1628 adds Gigabit connectivity and dedicated dual-color BLF or speed-dial keys. The GXP1630 moves to greater SIP and call-handling capacity while retaining Gigabit connectivity and dedicated keys. These differences matter more than a general preference for the highest model. A desk that handles a small, stable set of calls may be better served by the simpler unit; a user who watches extensions or shares a Gigabit network drop benefits from the appropriate sibling; a busier multi-identity role can justify the larger call profile. Match the model name on the rollout list to the intended function.

Environmental and commissioning checks

The GXP1628 operating range is 0–40°C, its storage range is -10–60°C, and supported humidity is 10–90% non-condensing. The deployment team should keep the phone inside those limits, avoid condensing conditions, and plan storage rooms as carefully as active offices. During commissioning, verify screen readability, handset and speaker volume, headset operation, inbound and outbound calling, transfer behavior, conference flow, directory access, and emergency-dial policy. Confirm that the GXP1628 security settings align with the voice platform before handing the desk to its user. The supplied stand, handset, network cable, power supply, and printed materials support setup, while successful service still depends on correct network and SIP preparation.

Buying decision

Choose the GXP1628 when the verified account count, line controls, Ethernet capability, audio options, and headset support suit the assigned employee. Plan PoE capacity at the switch, confirm that the workstation connection does not require a faster interface than the phone provides, and standardize configuration across similar desks. The GXP1628 should not be purchased merely because it belongs to the same family as another deployed model; its value comes from fitting a specific call pattern. A clear extension plan, consistent labels, tested security settings, and documented replacement procedure will make a multi-unit rollout easier to operate. With those decisions made, the phone becomes a predictable business endpoint rather than an unmanaged device on the voice network.

Package Contents

• GXP1628 phone
• Handset with cord
• Base stand
• Universal power supply
• Network cable
• Quick Installation Guide
• Brochure
• GPL License