GXP1625 IP Phone, 2 Lines, 2 SIP Accounts, 2.9-Inch LCD Display, Dual-Port 10/100 Ethernet with Integrated PoE, Corded, Black

This is an excellent small phone for home or small business. My VOIP provider allows multiple devices without a home PBX so I was able to buy multiple phones that connect direct to the cloud. Setup was easy. This level (1625) features a programmable backlight with different brightness levels (including "off") for when a call is active vs when the phone is sleeping. This was good for a bedroom location where full brightness is not desired. I consider the backlight to be a required feature, the lesser model (1615) does not have a backlight and the screen harder to read from an angle. The sound quality on speaker and headset is good. Overall, this a good phone that will serve my family.

A basic 2-line phone that sets up fairly easily on a FreePBX system - which is what most PBXs are based on, even if they're not the free one. Read the user guide - which will explain the buttons in greater detail. Sound quality is excellent. One note for provisioning -- it's a pjSIP, not a chan-SIP. Made a mistake in setting it up in FreePBX with one of the lines going to a PBX extension defined as a chan-SIP. Changed it to pjSIP and that line connected like magic. Update almost two years later: Still very happy with this phone. It's important to not this isn't a Plug-n-Play idiot-proofed Joe Consumer device. It's made for installation with a real PBX and presumes whoever is installing it knows what they're doing with a PBX, its settings and configuring it and a VoIP phone for it. There are no guard rails to keep you from going over a cliff. Many SIP providers are using ULAW audio codec. Trying to force G.722 for HD can result in flaky operation with intermittent one-way audio (you can hear them but they cannot hear you) - as something in the path is attempting to transcode the G.722 to ULAW. One of the nuances in getting a personal PBX and VoIP working properly. Getting its firmware updated was a challenge as I'm a home user, not a medium or large business with server provisioning, etc. Did finally get it to go after fussing with a Windows TFTP server that could be started and stopped after the update occurred. Took some reading about how to do this on Grandstream's site and a little persistence. Fortunately, that's not something that occurs very often (it's actually rare). Phone does what it needs to do. I personally believe most problems are PBX configuration, not the phone. Also took some tweaks in FreePBX settings to get the voicemail and missed call flags working correctly with the PBX setting and clearing them. Overall I remain extremely pleased as it's a convenient two-line extension placed elsewhere in my home to prevent scrambling to get to the other one. It's extremely cost effective compared to other phones (e.g. Cisco, Polycom, etc.)

The phone works really well. Relatively easy to configure if you know the basics of networks and VoIP. For those that do not, this is not a regular landline telephone and it will not work as such. It can be used with the supplied handset, a headset, but it also incorporates a speaker, which is useful to place some calls with decent sound quality (obviously, it sounds better with the handset). Some of the buttons can be programmed as speed dial, which is great. If you just have a couple of regular numbers to call, communication can be established pressing just one button. There is also a full agenda funtion that allows you to store as many numbers as you like. I own two units. One of them has been in use with POE supply for more than a year without any issues. The other one was just bought and it is working well with the 5V PSU included. The box also contains a network cable for connection to the router.

The quality of the product is excellent and setting it up to integrate with our VoIP provider was not too difficult, but took a bit of learning. The phone has a lot of capability which can be adjusted, set, or customized to meet a broad range of needs and VoIP provider requirements. Tech support is via an internet help desk functionality (24 X 7) which sometimes is challenging although there is a voice line help desk but with limited availability. It would have been helpful if there were more integrated help functionality especially with explaining some of the various settings / parameters in order to get the phone to integrate / function with the VoIP providers. Not much documentation comes with the phone - just the basic initial setup to get the phone initially connected to the internet, however there is a fairly good set of documentation (user guide, admin guide, etc.) available for download from the OEM.

We tried the 8 Port Grandstream Analog FXS with our VoIP provider and their basic virtual PBX in their Cloud. It semi worked but basic features like transferring calls to another extension was a hit and miss most of the time. Decided to go with the full Grandstream Mini PBX and these Grandstream GXP1625 phones. Glad we did. Easy to use Features that just work and sound quality that is Top Notch. Plus 100's more features in the PBX system we won't use in a long time. Maybe when our business grows more we will need them.

This phone is not 100% compatible with the 3CX phone system we use. 3CX users who have a hosted phone system in the cloud this is not for you since STUN and SBC is not available. Am returning for an SNOM phone.

Had to return it. No problem at all with the product. Simply, wife could not use it because the company she was to do business with, they could not set up the network because they were too busy. My wife got tired of waiting and cancel the business.

I use this phone for ham radio, hams over ip service. Easy to set up and program. Great quality for the money. Sounds great. Would recommend this for any phone over ip service.

Wer ein schnurgebundenes Festnetz-Telefon sucht und seinen VoIP-Anschluss mit SIP-Fuktion ausnutzen möchte, wird mit diesem günstigen Telefon glücklich. Natürlich sind Einstellungen erforderlich - Plug&Play funktioniert hier nicht. Eine ausführliche Bedienungsanleitung liegt NICHT bei, aber auf der Herstellerseite bekommt man alle erforderlichen Infos - zumeist jedoch in Englisch. Für mich ist es das erste Mal, dass ich mich mit diesem Thema beschäftige und ich habe das Telefon innerhalb von 15 Minuten eingerichtet: - Telefon mit dem Netzwerk und Stromversorgung (Steckernetzteil) verbinden - ca. 3 Minuten warten - Am Telefon den Button <Anzeige> drücken und IP-Adresse ablesen - IP-Adresse im Browser des Rechners (im selben Netzwerk) eingeben - An der Maske anmelden - im Auslieferungszustand sind PN und PW gleich: <admin> - Einstellungen des Netzbetreibers (z.B. Telekom) für SIP-Telefonie per Google suchen - Daten in der Webanwendung eingeben - fertig - Nun kann man noch ein bisschen Herumspielen und Kligeltöne oder andere Kontonamen zuweisen. Nun kann man das Telefon überall dort nutzen, wo sich der Netzwerkanschluss befindet. Auch an einem Switch oder WLAN-Repeater mit RJ45-Anschluss. Somit kann man größere Distanzen ohne Kabelverlegung überbrücken. Zum Telefon selber: Für den Preis ein solides Gerät mit einer gut funktionierenden Freisprechfunktion. Der Hörer liegt satt in der Hand und kann auch gut mal in die Schulter geklemmt werden. Einziger (theoretischer) Nachteil: Es ist keine vernünftige Bedienungsanleitung dabei. Aber wer ein bisschen im Netz googelt, wird sofort fündig.

This phone was bought for use with TekTalk VoIP service from TekSavvy and having used it for one week so far, it works like a charm! It's nice and professional. There are only three cords to connect to the unit: headset (coil), RJ-45 and (if Power over Ethernet is unused) the included AC adapter. It's possible to add VoIP settings on only the device itself, but I prefer the web interface Once configured, it had a clear dial tone and clear voice quality during calls. It is just as good, if not better, than a traditional phone line. I only have two complains with the unit: the coil cord is too short (it does accept longer third-party ones) and the unit needs an object supporting it so it won't fall. Otherwise, I am very happy with this phone!

Un sacco di impostazioni, stabile, display retroilluminato, ottimo rapporto prezzo prestazioni.

After using Skype with a Skype phone for some time, I was looking for an alternative. This phone combined with the Sipgate Basic package is a great option. This Grandstream device seems to be good value with all the essential features that you need. It needs to be placed near your router or powerline adapter as it will need to be plugged into it directly. It also has a speakerphone option and support for a headset and can be configured for two SIP accounts. Ideal for use in a home office where you need an extra line, but don't want to pay line rental. If you have previously used a Skype phone or something similar, then this is a great alternative.

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