System Telephones IP from Agfeo
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System Telephones IP from AGFEO
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 AGFEO system telephone ST42 IP black
The ST 42 IP for current AGFEO communications systems with LAN technology. Absolutely new in this class is the Combi modular bay, which can be equipped with Bluetooth technology or EnOcean radio ...Lieske Part No.: 342438 Mfg Part No: 6101320 |
261,08 EUR
 plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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AGFEO system telephone ST45 IP black
With the ST 45 IP in a new world. Designed for office professionals phone is now equipped for VoIP telephony. Connected via the existing network, new possibilities open up in the communication ... Lieske Part No.: 924361 Mfg Part No: 6101322 |
325,24 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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AGFEO system telephone ST45 IP black, demonstration device
With the ST 45 IP in a new world. Designed for office professionals phone is now equipped for VoIP telephony. Connected via the existing network, new possibilities open up in the communication ... Lieske Part No.: 1000011 Mfg Part No: 6101322 |
239,00 EUR
plus delivery charges
in stockinfo_outline
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AGFEO ST 45 IP silver
For AS systems (firmware >/= 9.2) as well as ES (from version 1.3) and HyperVoice systems. Movable and illuminated 4.3 inch color display, soft keys, slot for optional BT module 40, En module 42 ... Lieske Part No.: 1289338 Mfg Part No: 6101323 |
-8% 287,62 EUR 311,46 EUR
plus delivery charges
Delivery time on requestinfo_outline
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AGFEO system telephone ST22 IP black
The ST 22 IP - professionalism bundled on the essentials. With this system you will telephone at home right away, without any hidden features. Pick up the phone, it's worth it. > Highlights: -10 ... Lieske Part No.: 256226 Mfg Part No: 6101424 Type: ST22 IP schwarz |
192,49 EUR
plus delivery charges
in stockinfo_outline
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AGFEO system telephone ST56 IP SENSORfon pure white
In addition to the new, modern design, the ST 56 IP business office telephone offers a large color display that makes the status information even easier to read. This - in conjunction with the ... Lieske Part No.: 1265108 Mfg Part No: 6101635 |
379,45 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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IP System Phones (SIP) – Technical Background & Applications
SIP IP phones (Session Initiation Protocol, RFC 3261) are the standard for all modern VoIP installations and completely replace ISDN system phones in new installations. They connect via Ethernet and can be powered directly via the network cable through PoE (Power over Ethernet, IEEE 802.3af/at) – without a separate mains adapter. High-quality SIP phones support HD Voice (G.722, 50–7,000 Hz) and wideband codecs that significantly improve voice quality compared to ISDN. Quality assurance is achieved via QoS (Quality of Service, DSCP/CoS marking) in the network. Manufacturers such as Snom and Yealink offer series from entry-level desk phones to executive comfort phones with colour display, Bluetooth, USB and integrated DECT dongle. Microsoft Teams-certified IP phones (e.g. Yealink T5x, Poly Edge E series) integrate directly into Teams and show presence status, calendar entries and Teams contacts on the display. Provisioning via TR-069, TFTP or manufacturer-specific cloud platforms (e.g. Snom SRAPS, Yealink RPS) enables zero-touch deployment for large rollouts.
IP PBX counterparts: Telephone Systems. DECT system phones for cordless variant: DECT System Phones. Headsets for SIP phone connection: Headsets. All-IP migration and pilot installation: +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 PoE and how much power does it deliver? PoE (Power over Ethernet) feeds direct current over the data conductors of the Ethernet cable (Cat.5e or better). Standards: IEEE 802.3af (PoE): max. 15.4 W at switch port (12.95 W at device) – sufficient for most SIP phones. IEEE 802.3at (PoE+): max. 30 W – for phones with colour display, WiFi and USB charging. IEEE 802.3bt (PoE++): max. 60 or 100 W – for cameras, APs, panels. The switch must support PoE and have sufficient budget for all ports. |
▶ How do I register a SIP phone with my IP PBX? Basic requirement: PBX with SIP server (Auerswald COMpact, FRITZ!Box, Asterisk/FreePBX, 3CX, etc.) and a configured SIP account. On the phone, configure: SIP server IP (or FQDN), SIP username (extension), SIP password and optionally registrar/proxy. Most manufacturers support auto-provisioning via DHCP option 66 (TFTP server) or manufacturer-specific cloud URLs – then MAC address entry in the PBX suffices for zero-touch. |
▶ What is the difference between a SIP phone and an IP system phone? A SIP phone implements only the open SIP protocol (RFC 3261) – it works manufacturer-independently with any SIP server. An IP system phone additionally supports manufacturer-specific PBX extensions: e.g. Auerswald COMfortel for Auerswald systems with COMfortel app functions (speed dial, busy lamp field, attendant console). These additional functions are only available when phone and system are from the same manufacturer or explicitly compatible. |
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. |