Grandstream DP715 - Teléfono VOIP (inalámbrico), negro
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- Compatible con los estándares SIP/DECT
- Conectividad inalámbrica rango de hasta 300 metros en lugares abiertos y 50 en interiores
- Pantalla LCD FSTN retroiluminada de 7.7 pulgadas de color azul de fondo
- Activación o bloqueo del identificador de llamadas, llamada en espera, desvío/reenvío de llamada
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Descripción del producto
Algoritmos de seguridad soportados: SRTP
Altura: 16 cm
Ancho: 4,6 cm
Bidireccional completo (Full duplex): Si
Capacidad de lista de direcciones: 200 entradas
Codecs de voz: G.711, G.723.1, G.726
Color del producto: Negro
Conexión inalámbrica: Si
Contestadora integrada: No
Diagonal de la pantalla: 4,318 cm (1.7")
Dimensiones de base: 105 x 85 x 75 mm
Ethernet LAN (RJ-45) cantidad de puertos: 1
Identificador de llamadas: Si
Intervalo de temperatura operativa: 0 - 40 °C
Jack de entrada CD: Si
Llamada en conferencia: Si
Manual de usuario: Si
Pantalla incorporada: Si
Peso: 102 g
Profundidad: 2,2 cm
Rango máximo en exteriores: 300 m
Rango máximo en interiores: 50 m
Resolución de la pantalla: 102 x 80 Pixeles
Tipo de montaje: Escritorio
Opiniones de clientes
Principales opiniones de clientes
Tiene buenas prestaciones, y solamente con su uso y ver sobre todo la durabilidad de la batería.
Este producto es para uso en la oficina.
Se puede ampliar con supletorios.
Combinado con un buen operador de VOIP es la solución perfecta para ahorrar en la tarifa de teléfono sin perder prestaciones.
recomendable este producto para un uso normal
Buen alcance del inalámbrico respecto de su base.
Recomendable por ser fiable.
Opiniones de clientes más útiles en Amazon.com (beta)
The screen is pretty big and the user interface is rather good, like Nokia phones in the pre-iPhone era. The manual that comes with it only shows you how to get it's IP so your browser can find it and configure it. You can google the actual user manual online before you decide to buy it. There's nothing wrong with the sound and the range of DECT is much better than WIFI of course. The blue black light is off unless you do something on it, exactly the same as a non-smart mobile phone if you remembered. So there's no back light even if the phone is on the stand.
If there is problem with the setting or the performance, it could be due to your SIP provider rather than the phone. The SIP standard is old with many options and implementations. The latest phones hardly need any settings if the SIP provider is good with them. I use Callcentric (can I do promotions ?). Their online support list the few items that you need to enter, and say no if you see STUNT and that sort of things.
Ex giant Siemens gave up Gigiset long ago and I got the gem 510 IP at close out for less than this phone. It supported HD voice - once tried and I'm addicted. But the user interface is so bad compared to an Android that I returned it. I regretted it because I just needed the phone to talk while all the fancy stuff I can do it on a soft SIP phone using Android, like caller ID reader, custom ring tone / announcer. You can still use your phonebook on your Android and initiate call with it, but talk on the cordless.
Because I seldom use landline and that's why I am going IP. Since HD voice phones are hard to find for a price that I seldom use, I tried using my old Android as a soft SIP phone. I have great problems with delay and echo. Finally I have to get a bluetooth handset for the android to deal with them. And even if your wifi is perfectly covered in all corners of the house, once in the yard your phone is on your own fending itself from all your neighbour's routers. So, I don't think DECT can be replaced, not with WIFI anyway.
First I got the Grandstream corded IP phone because it's cheaper. I have an old wifi router configured as a bridge so I can install the phone anywhere with wifi coverage, and can also act as a poor men's cordless SIP phone. I'm happy with the HD voice, and the configuration via browser. But that is big and not a true cordless. So I go back to DECT with this.
*update* I returned these phones, I had bought an extra handset, because the VOIP provider couldn't keep the phones from being port swept. That meant the phone ringing at 3am because of hackers. So I went with another provider and didn't want the same problem, so I used the modem they provided which meant using analog phones. It would be nice for companies that provide VOIP service to realize there are phones like this out there and have a plan to connect them for the customer. I mean, what is customer service for anyway?
So i reduced the stars from 5 to 3. I know the phones work, it's not Grandstream's fault but in good conscience, I can't give an excellent rating when there is no support.
Has the benefits of DECT:
Good battery life for wireless phone
Good range for a home or small office
With the benefits of VoIP:
Compatible with Asterisk
Supports up to 5 handsets with independent extensions
My only complaints are picky, but keep me from giving it 5 stars:
Assigned extension name/number not visible on display
Distinctive ringer too limited
No charging lamp on extensions
Hard to read buttons in dark room (at home)
Bottom line: I'm happy with it and would buy it again.
1) Cheap components. This phone is very light weight and you can feel the body flex when you press the keys.
2) Must add phone book entires to each handset individually
3) Speakerphone is very poor - almost unusable. I'd compare it to a speakerphone from the 90's (no where near as good as your cell phone speakerphone for example)
4) Poor range. If you put more than a few walls between you and the base callers start having a hard time hearing you. If I step outside, it stops working all together. For comparison, with my Panasonic DECT phone I can cross the street and get the mail without any issue
5) The phone itself is very, very small (50% smaller than a panasonic DECT phone) making it difficult (for me) to hold for long conversations.
1) Price. Other DECT/SIP Phones run 2x the price (or more)
2) Non-Speakerphone Audio Quality Is Fine
* they work just as advertised.
* i like the feel of the handset.
* backlit display
* the call button doubles as a speakerphone button - once a call is in progress, the button toggles back and forth from speakerphone to normal.
* at least when new, the batteries last a LONG time - 3-4 days, i think.
* (only) very basic settings can be provisioned via network
* provides phone-to-phone intercom/calling across their shared base, with no need for the pbx to be involved
* the charging bases are very light, so are easy to knock over (or off the table)
* there is no way to provision the phone book, and no way to load/save - each has its own phone book which has to be populated manually. horrible. would subtract one or two more stars if these weren't the cheapest handsets i could find.
* no way to provision the handset name displayed on the handset screen - a problem when they can be carried across the office and you have 8 of them to get confused. get out your label maker ...
* the ring tones are cheesy and annoying