ISDN telephone systems
Whether in an one family house, office or craft business: If several phone calls are to be made parallel, various kinds of devices such as answering machines or faxes are to be used and calls are to be forwarded, a telephone system is essential. The ISDN telephone system is a basic piece of equipment for any office and company. In order to suit to a broad variety of needs, there are many different kinds of ISDN telephone systems available on the market today. These ISDN systems differ in features and functionality.
Top sellers in ISDN

8a/bR-Modul
269,36 EUR

271,25 EUR

rack 2TSM
190,99 EUR

R-module
346,85 EUR

6000R 48,3 cm ( 19 inch
)extension
431,60 EUR

8/16VoIP-R-Modul
449,54 EUR

R-module
476,58 EUR

modules
791,89 EUR

module
845,94 EUR

( 19 inch )case 5 slots to
(15)
872,35 EUR

cm ( 19 inch )rack 15 slots
1.213,31 EUR
ISDN from Auerswald
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![]() Lieske Part No.: 645419 Mfg Part No: 90577 |
271,25 EUR
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![]() Lieske Part No.: 994105 Mfg Part No: 90671 |
872,35 EUR
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Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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![]() Lieske Part No.: 859396 Mfg Part No: 90672 |
1.213,31 EUR
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Delivery time on requestinfo_outline
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![]() Lieske Part No.: 276649 Mfg Part No: 90673 |
431,60 EUR
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Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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![]() Lieske Part No.: 423023 Mfg Part No: 90674 |
845,94 EUR
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Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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![]() Lieske Part No.: 762250 Mfg Part No: 90675 |
449,54 EUR
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Delivery time on requestinfo_outline
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![]() Lieske Part No.: 773262 Mfg Part No: 90677 |
296,40 EUR
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Delivery time on requestinfo_outline
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![]() Lieske Part No.: 477000 Mfg Part No: 90678 |
476,58 EUR
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Delivery time on requestinfo_outline
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![]() Lieske Part No.: 697403 Mfg Part No: 90679 |
346,85 EUR
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Delivery time on requestinfo_outline
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![]() Lieske Part No.: 170792 Mfg Part No: 90680 |
791,89 EUR
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Delivery time on requestinfo_outline
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![]() Lieske Part No.: 936154 Mfg Part No: 90681 |
190,99 EUR
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Delivery time on requestinfo_outline
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![]() Lieske Part No.: 923700 Mfg Part No: 90682 |
269,36 EUR
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Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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ISDN from doro
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Doro PhoneEasy 105wr black
Cordless DECT phone with a large backlit display, large characters, 2 direct memory, 5 polyphonic ringtones, speakerphone, redial the last 5 numbers, Phonebook for 20 entries, Answering machine with ... Lieske Part No.: 280440 Mfg Part No: 380102 |
48,20 EUR
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Delivery time on requestinfo_outline
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Doro PhoneEasy 115 white
Cordless DECT phone with a large backlit dot matrix display, large font and large figures, Optical call signaling button for volume boost (+30 dB), speaking keys (7 languages), Hearing aid compatible, ... Lieske Part No.: 289167 Mfg Part No: 380109 |
73,19 EUR
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Delivery time on requestinfo_outline
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ISDN from lieske elektronik
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Lieske elektronik AGFEOPREINST Agfeo Pre PBX
Free Pre ordered a telephone system. The system is configured as desired, so that it must only be connected to the telephone network and is immediately ready for use. One or more configuration ... Lieske Part No.: 108657 Mfg Part No: AGFEOPREINST |
0,01 EUR
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in stockinfo_outline
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ISDN from Mitel
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Mitel 70164XXX Aastra 100 OC module M100-S4 4S0 for OC 130/150/X320
4 S0 module variable Switchable, plugged into slot 1 and 2 of the ExtensionSet 130, Slot 1 to 3 in the OpenCom 150, slot 1 and 2 in the OpenCom X320 Lieske Part No.: 939103 Mfg Part No: 70164XXX |
168,60 EUR
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Delivery time on requestinfo_outline
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ISDN from Siemens
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![]() Lieske Part No.: 117148 |
on request
plus delivery charges
Delivery time from supplier's stock (ca.) 12 workdaysinfo_outline
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ISDN from Telekom
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![]() 14 Days Warranty SN: PUX97007508 Lieske Part No.: 866399 Mfg Part No: S30817-U0920-H813-02 |
129,00 EUR
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Delivery time on requestinfo_outline
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The ISDN telephone systems here offer features and a connectivity that is specifically tailored to the customer's needs. The selection reaches from small systems that allow the operation of analog devices to bigger systems that are built modularly and can be extended if needed.
The handsets of the bigger phone systems have additional comfort concerning the operation and optical feedback when using particular functions. Especially when using in a call center or for customer support these functions can be important. An exact status indicator on the phone lowers the number of lost conversational partners through maloperation drastically, especially when forwarding or toggling calls.
Of course, also IP telephony found it's way into the world of ISDN telephone systems. Using these systems for special purposes such as Voice over IP Gateways or private branch exchange (PBX) is conceivable.
We hope you enjoy browsing through our product categories and are always happy to answer all the questions you might have.
We also offer a special service for Agfeo ISDN Systems. The system can be preconfigured for free, so that you only have to connect it.