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  • Siemens 8825 Gigaset 2.4 GHz 2-Line Expandable Cordless Speakerphone with Answering System
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Siemens 8825 Gigaset 2.4 GHz 2-Line Expandable Cordless Speakerphone with Answering System

by Siemens

Available from these sellers.
  • 2.4 GHz digital spread spectrum frequency-hopping technology
  • Integrated digital answering system; dual full-duplex digital speakerphones
  • 2-line operation; 1 cordless handset included, expandable to 8 handsets
  • Multi-language programming in English, French, and Spanish
  • Voice-announced caller ID and call waiting
1 new from $499.97 4 used from $119.99 2 refurbished from $119.00

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Product Details

Product Manual [2.10mb PDF]
  • Shipping Weight: 5 pounds
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B00005UFDH
  • Item model number: 4G8825SYS
  • Average Customer Review: 2.0 out of 5 stars  See all reviews (122 customer reviews)
  • Discontinued by manufacturer: Yes
  • Date first available at Amazon.com: December 13, 2001

Product Description


Siemens raises the bar with the 8825 Gigaset, a 2.4 GHz two-line expandable cordless communication system. Expandable to eight handsets, the 8825 offers a wide range of features, including a digital answering machine with four mailboxes. The voice-announced Caller ID (with subscription to service through your local carrier) uses your voice to announce incoming calls. Caller ID information and a directory of your 120 speed-dial presets are displayed on an easy-to-read backlit LCD. Siemens includes an extra handset (model 8000 Gigaset) with charger.

The lightweight handset provides call transfer, conferencing, intercom, and room monitoring. It weighs just 7 ounces and has controls for volume, call waiting, flash, and last-number redial. Two AA rechargeable NiMH batteries (included) provide eight hours of talk time and eight hours of standby. The base and cordless handsets provide digital speakerphones and headset jacks for hands-free conversation. Additional handsets require no extra phone jacks.

A built-in answering machine completes the system. It has four mailboxes, date and time stamp, individual announcements for each incoming line, and 45 minutes of recording time. The unit also supports full remote operation, so you can collect messages while you're away.

What's in the Box
Base station with built-in tilt LCD, corded handset, coiled handset cord, cordless handset, cordless charger/base, AC power supplies and cords, two AA rechargeable NiMH batteries, one belt clip, telephone line cord, instructions, warranty information

Customer Reviews

I can't imagine ever buying another Siemens product.
In the first week with the phone there was only one or two instances where we had transmitter problems, and the battery only died once.
Zacharias J. Beckman
A call to Siemens customer service didn't help, they told me to reset the base.
Stephen B. Daniels

Most Helpful Customer Reviews

94 of 97 people found the following review helpful By Mark in Hoboken on November 29, 2002
This is a great multi-line, multi-handset, cordless phone system. It's a big improvement over the previous generation from Siemens (the Gigaset 2420), and it's far better than the Panasonic system that I bought (the KX-TG4000B).
Gigaset 8825 features that I love:
1. HANDSETS -- The handsets are "dense" - just heavy enough to feel solid and high quality - much better than the old, light, "plastic", cheap ones from the Gigaset 2420 system. The handset speakerphone is a feature I didn't think I would want or need, but it works great. The ability to give each handset your own "name" (like kitchen, or family room, or upstairs bathroom) makes the intercom capability much more useful than trying to remember where handset #3 is!!!
2. BASE STATION -- The speakerphone works fine - almost as good as a Polycom speakerphone. The "MUTE" function on the base station works great - I just wish that the handsets had a mute! The base station has attractive clear backlit buttons for some functions, like Speakerphone/Mute, Calls, Voice-Mail, Intercom, Flash, etc. But it does NOT have clear backlit buttons for the telephone number keypad used for dialing - a big flaw.
3. ON-LINE PRODUCT REGISTRATION -- May seem like a trivial thing, but I love the fact that Siemens lets you register your purchase on-line via the web site. I wish that the registration process directly solicted feedback -- They currently only ask for the essentials.
4. MULTI-LINE MADE EASY -- Unlike the Panasonic KX-TG4000B, you can easily join a call already in progress. So, if Gramma calls and one family member answers the call from one of the cordless handsets, anybody else can easily join the call by pressing "TALK" on one of the other handsets or the base station.
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83 of 88 people found the following review helpful By Paul Christensen VINE VOICE on March 5, 2002
After spending quite a bit of time reading product reviews, and looking at a number of cordless phones in person, I finally settled on this Siemens 8825 set.
I must say that I'm quite impressed overall with this phone and its performance! As others have said, it is literally PACKED with features, from callerID, voice announcement, multiple voicemailboxes, call directories that can be sent between base and hand units, intercom, speakerphone in base and handset(!) and many many others.
You can register up to 8 handsets with a single 2-line base unit. Each handset may be registered with 2 different base units as well. It is important to note that the handsets use standard NiMH rechargeable AA batteries. This makes them very easy and economical to replace in the long-run.
The sound quality is oustanding - from base and handset phones. It is at least as good as my old trusty Panasonic "Sound Charger" which set the standard for good quality analog cordless phones. In 3 weeks of use, I have not experienced problems with handset hanging up calls that one other reviewer mentioned.
The callerID features are particularly well implemented. Incoming calls appear on the display of the base unit and all handsets (even during calls if you have callerID call waiting service). You can call a number from the callerID log, as well as save it to the directory. There is only ONE master callerID log - so using a handset to review and delete call log entries deletes them from the base unit as well.
The digital answering machine offers 4 mailboxes. By default, callers on line 1 go to mailbox 1, line 2 to mailbox 2, special ring1 to mailbox 3 and special ring2 to mailbox 4. Or, you can enable an automated attendent, that allows callers to direct themselves to a particular mailbox.
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39 of 39 people found the following review helpful By A Customer on March 17, 2003
I bought this phone to replace a few different cordless handsets, a seperate digital answering machine and a speaker phone in my home/home office. I am talking about the 8825 (as I can't believe that some other reviewers are.) Overall, this is a great system with a few caveats. Many people have complained about things like the inability to turn off ringers or answer certain lines from the handsets. This is almost exclusively due to the extremely poor documentation. If you are not "gadget inclined" DO NOT BUY THIS PHONE. It has many drill down menus which are poorly explained in the manual. You can only really understand them by doing some trial and error. As far as the quality goes, I have been quite impressed. The speakerphone has great sound BUT is not a full duplex as advertised. When you start speaking the other side cuts out. I live in an apartment building in NYC and have an 802.11b wireless set up. I doubt a more cordless phone hostile environment exists. That said, I have not really had any problems with reception - even while running the microwave. Occasionally there will be a click, but that maybe happens once a week or so and can't be heard by the person on the other side of the call.
The downside of the system:
It is missing several key features I would have expected on such an expensive phone system. I am going to list them below. Please keep in mind that I am fairly technically inclined, and have called Siemens to confirm that these features don't exist so you can be confident in my review:
1) There is no way to leave a memo on the answering system. For example, on most inexpensive answering machines you can push a button and leave a voice memo when standing over the machine.
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Most Recent Customer Reviews