System Telephones S0/UP0 from Agfeo
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System Telephones S0/UP0 from Agfeo
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 AGFEO STE 40 silver
System key extension for ST 31, ST 40, 42 (IP) and 45 (IP) with 30 programmable function keys. Power supply: a separate plug-in power supply is required to operate up to two STE 40s; two plug-in power ...Lieske Part No.: 1289192 Mfg Part No: 6100287 |
-6% 112,02 EUR 119,22 EUR
 plus delivery charges
Delivery time on requestinfo_outline
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Agfeo 6100288 Key module STE40 - black -
with 30 programmable keys (with LED)Basic Properties - Color: Black - Width: 128 mm - Height: 80 mm - Depth: 234 mm Technical DescriptionFrom each odd key extension STE40 an AC adapter ... Lieske Part No.: 977291 Mfg Part No: 6100288 |
128,33 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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Agfeo 6100826 Power supply for ST21/STE30/ST40/STE40/ST40IP/ST42/ST45
Technical Description - To supply the STE30 / IP STE40 or ST40 mandatory (when operating in a network without PoE) For ST40 (U) when using two modules installation (O module and BT module) ... Lieske Part No.: 471785 Mfg Part No: 6100826 |
28,76 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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AGFEO system telephone ST42 black, demonstration device
The ST42 ST40 replaced the long time proven and allowed by the integrated digital port to connect both on the S0 port as well as at the port Up0 AGFEO PBX. The innovative operating concept with the ... Lieske Part No.: 1000015 Mfg Part No: 6101121 |
179,00 EUR
plus delivery charges
in stockinfo_outline
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AGFEO system telephone ST42 black
The ST42 ST40 replaced the long time proven and allowed by the integrated digital port to connect both on the S0 port as well as at the port Up0 AGFEO PBX. The innovative operating concept with the ... Lieske Part No.: 697219 Mfg Part No: 6101121 |
239,00 EUR
plus delivery charges
in stockinfo_outline
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AGFEO ST 42 silver
For AS systems (firmware >/= 8.5a) and ES systems. Movable and illuminated graphic display, soft keys, slot for A-Modul 42 and BT-Modul 40 or En-Modul 42, interface for corded or DHSG headsets, ... Lieske Part No.: 1289402 Mfg Part No: 6101122 |
250,25 EUR
plus delivery charges
in stockinfo_outline
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AGFEO system telephone ST22 black
The AGFEO system telephone ST 22 in black is a versatile and robust base model, specifically designed for use with AGFEO telephone systems. It supports both S0 and UP0 interfaces, allowing for ... Lieske Part No.: 971428 Mfg Part No: 6101131 |
179,00 EUR
plus delivery charges
in stockinfo_outline
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AGFEO KS 510 BT wireless conference system
Audio conferencing on an entirely new level - with the KS 510 BT, a unique portable handsfree, which is connected via Bluetooth ®.Connections - USB 3.0 standard Basic Properties - Color: ... Lieske Part No.: 518229 Mfg Part No: 6101271 |
157,09 EUR
plus delivery charges
Delivery time on requestinfo_outline
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AGFEO system telephone ST45 black
The system telephone ST45 with improved ergonomics and display the new large color display provides factual information in an unprecedented clarity. Thus, the office work is optimized. > ... Lieske Part No.: 398883 Mfg Part No: 6101281 |
325,24 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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AGFEO system telephone ST45 black, demonstration device
The system telephone ST45 with improved ergonomics and display the new large color display provides factual information in an unprecedented clarity. Thus, the office work is optimized. > ... Lieske Part No.: 1056840 Mfg Part No: 6101281 |
219,00 EUR
plus delivery charges
in stockinfo_outline
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AGFEO STE 40 pure white
Extension for ST 45, 42, 40 and ST 31 with 30 programmable function keys. Attention: a separate plug-in power supply is required to operate up to two STE 40s; two plug-in power supplies (6100826) are ... Lieske Part No.: 1289336 Mfg Part No: 6101314 |
-6% 110,00 EUR 117,07 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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AGFEO system telephone ST45AB black, demonstration device
The system telephone ST45 with improved ergonomics and display the new large color display provides factual information in an unprecedented clarity. Thus, the office work is optimized. > ... Lieske Part No.: 106741 Mfg Part No: 6101357 |
269,00 EUR
plus delivery charges
in stockinfo_outline
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AGFEO En module 42 EnOcean (wireless module) for ST42 (IP), ST45 (IP)
Through the use of up to 10 modules per ES system, you can upgrade your system telephones exactly at the locations where the radio energy is needed in order to ensure optimal connections. > ... Lieske Part No.: 498956 Mfg Part No: 6101390 |
138,29 EUR
plus delivery charges
Delivery time on requestinfo_outline
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AGFEO button module STE 56 black
The STE 56 turns your telephone exchange into a command bridge! Thanks to the 30 freely programmable keys including LED support, which can be assigned on two levels like the SENSORfon ST 56 (IP), the ... Lieske Part No.: 1526008 Mfg Part No: 6101620 |
235,64 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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AGFEO button module STE 56 silver
The STE 56 turns your telephone exchange into a command bridge! Thanks to the 30 freely programmable keys including LED support, which can be assigned on two levels like the SENSORfon ST 56 (IP), the ... Lieske Part No.: 1526009 Mfg Part No: 6101641 |
235,64 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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AGFEO button module STE 56 pure white
The STE 56 turns your telephone exchange into a command bridge! Thanks to the 30 freely programmable keys including LED support, which can be assigned on two levels like the SENSORfon ST 56 (IP), the ... Lieske Part No.: 1525932 Mfg Part No: 6101642 |
235,64 EUR
plus delivery charges
Delivery time on requestinfo_outline
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ISDN/S0 System Phones – Technical Background & Applications
ISDN system phones are designed for the S0 bus (Basic Rate Interface, 2B+D, 2x64 kBit/s bearer channels) and operate together with an ISDN PBX (e.g. Auerswald COMpact, Agfeo, Tiptel). Compared to analogue phones, system phones provide advanced PBX features: CLIP/CLIR (caller ID display/suppression), MSN assignment (multiple numbers per bus), direct call keys, secretary-boss switching and internal conference functions. Many ISDN phones support Euro-ISDN (DSS1), the protocol standard valid in Germany and Europe (per ETSI ETS 300 102). With the progression of all-IP migration, ISDN phones are becoming rarer; however, Auerswald and Agfeo continue to support legacy systems and offer ISDN-compatible adapters for IP PBX systems. For new installations, we recommend considering IP system phones (SIP, H.323).
ISDN telephone systems as counterparts are in Telephone Systems; IP-based system phones under IP System Phones. We are happy to advise on all-IP migration and selection of suitable transition solutions: +49 (0)7666 / 88499-0.
Application Areas
| ✓ Business Telephony & Call Centres | ✓ Authorities & Public Institutions |
| ✓ Industrial Environments & Production Halls | ✓ Hotels & Hospitality |
| ✓ Hospitals & Care Facilities | ✓ Data Centres & IT Infrastructure |
Frequently Asked Questions
▶ What is the difference between ISDN S0 and ISDN S2M? S0 (BRI, Basic Rate Interface): 2 bearer channels (B-channels) at 64 kBit/s each + 1 control channel (D-channel, 16 kBit/s). Standard for households and small offices. Up to 8 terminals on the S0 bus (but max. 2 simultaneous calls). S2M (PRI, Primary Rate Interface): 30 B-channels at 64 kBit/s each + D-channel (64 kBit/s) – 30 simultaneous calls, typical for medium and large businesses with PBX. |
▶ Can ISDN system phones be operated on an IP PBX? Yes, provided the IP PBX provides an integrated or external ISDN S0 port. Many manufacturers (Auerswald, Agfeo) build S0 ports into their IP systems so existing ISDN system phones can continue to be used. Alternatively, an ISDN-to-SIP gateway enables old ISDN devices to operate on purely IP-based systems. |
▶ When does an ISDN PBX still make sense? For existing installations with already established ISDN infrastructure, continued use can still be economically sensible for several years, especially if no major expansion is planned. For new installations or planned business expansion, we recommend going directly to IP PBX systems (SIP trunking), as ISDN lines are being successively discontinued by telecoms providers (all-IP mandate). |
Why industry-electronics.de?
▶ Professional TK Range Over 15,000 telecoms products from Agfeo, Auerswald, Snom, Yealink, Innovaphone, Gigaset and other leading manufacturers. | ▶ B2B Expert Advice Our TK team advises on SIP migration, DECT planning, emergency call systems and standards compliance – free and vendor-neutral. | ▶ Volume Pricing from 1 Unit Quantity discounts, project prices and framework agreements for system integrators, authorities and industrial companies. |
▶ Fast Delivery Most items available from stock – free shipping across Germany from minimum order value. | ▶ 20+ Years TK Experience For over 20 years, Industry-Electronics has supplied system houses, authorities and industrial customers with professional telecoms technology. | ▶ Standards-Compliant Range All products comply with applicable EN, ETSI and VDE standards and regulatory approvals for commercial use. |