System Telephones S0/UP0 from Mitel
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System Telephones S0/UP0 from Mitel
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Mitel Mivoice Office 400 Wiring Adapter 2-wire WA-2W
Wiring Adapter 2-wire (WA-2W) for Mitel 415/430 controllers and IntelliGate 150/300 Lieske Part No.: 507196 Mfg Part No: 20351245 |
-7% 11,61 EUR 12,51 EUR
 plus delivery charges
Delivery time on requestinfo_outline
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Mitel MiVoice Office 400 radio unit DECT SB 8 ANT (version 2), white
Mitel MiVoice Office 400 radio unit DECT SB 8 ANT (version 2), white DECT radio unit 8 channels with connection for an external double antenna - connection via 2 DSI ports - DECT range max. approx. Lieske Part No.: 212376 Mfg Part No: 20351491 |
828,83 EUR
plus delivery charges
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Mitel 86D00004AAA-A Aastra 400 license for a video terminal
The video terminal license Allows the connection of SIP-based videophones (SIP license for terminally Additionally required) Lieske Part No.: 246570 Mfg Part No: 86D00004AAA-A |
73,51 EUR
plus delivery charges
Delivery time on requestinfo_outline
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Mitel ATD0033A Aastra 100 Aastra 6730a OC
The Aastra 6730a fulfilled demand on high analog phones. Its display supports the operation and provides relevant information about the caller. In addition to intuitive operation, the users benefit ... Lieske Part No.: 798201 Mfg Part No: ATD0033A |
77,11 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. |