Ex-Telephone FernTel IP Zone 2/22

VoIP desk/wall telephone for areas with explosive atmospheres Zone 2 & 22
This impact-resistant and shockproof polycarbonate telephone is approved for zone 2 / 22 according to ATEX. Due to its striking signal colour the FernTel IP cannot be missed; useful for whenever a telephone is urgently needed.

The FernTel IP’s impact-proof thermoplastic housing and stainless steel
screws offer further advantages when installing the phone in explosive or humid atmospheres. The device is easily converted from a wall telephone to a desk telephone.

The FernTel IP / zone 2 / 22 allows efficient working with high comfort
completed by the illuminated keypad and display. The standardized features according to H.450 are supported.

The FernTel IP / zone 2 / 22 offers features of high quality based on industrial standards instead of proprietary solutions

  • Protection degree IP 65 EN 60529
  • Ambient temperature -20ºC to +55ºC
  • Call tone ≥ 95 dB(A), 1 m
  • Explosion protection class II 3G Ex nA nL IIC T5
  • II 3D Ex tD A22 IP66 T80ºC
  • Pixel-based, illuminated LCD Display
  • Illuminated keypad
  • Intelligent and user-friendly menu structure
  • Standard H.323, SIP, TSIP, SIPS protocols
  • Power supply Power over Ethernet
  • 1x Ethernet: RJ-45, 10/100-BASE-TX

Explosion protection class:II 3G Ex nA nL II C T5, II 3D Ex tD A22 IP66 T80ºC.
Protection Degree:acc. to IEC60529 IP 65.
Temperature Range:20ºC to +60ºC.
Keypad:With stainless steel plate.
Housing Dimensions:Height x Width x Depth 293 x 191 x 128 mm.
Weight approx:2.4 kg.
Power Supply:Power over Ethernet (IEEE 802.3af).
Connection Plugs:1x Ethernet: RJ-45, 10/100-BASE-TX auto negotiation
Ringing Volume:Approx. 95 dB(A) at 1 m distance.
Display:128 x 64 Pixel
ProtocolH.323, SIP, TSIP, SIPS
Total:H.323 version 4 incl. H.225, H.235, H.245 and RAS Gatekeeper
routed Signalling, H.450 Session Initiation Protocol (SIP) RTP,
SRTP Real Time Protocol.
RTCP:Real Time Control Protocol – first level of Quality of Service.
RAS Protocol:Support for External Gatekeeper
DTMF:H.245 Alphanumeric or Signal Type
Additional VoIP-FeaturesH.245 Fast Connect En-block dialling Overlapped Sending
Security:Password Protected Administration.
Encoded Password Authorization acc. to H.235.
Quality of Service:Priority of IP-Packages acc. to TOS and DiffServ,
VLAN Priority acc. to IEEE 802.1p / 802.1q.
Voice Encoding:G.711 A-law / µ-law (64 kbps), G.723.1 (5.3 kbps),
G.729A (16kbps
Echo Compensation:G.168.
Access:Via HTML Web-Browser.
Password protected authentication.
Troubleshooting:Log- and Trace-Files, State Display of Interfaces and
Connections, Ping Connection Test sending of SNMP
Traps over Internet Protocol.
Update:Configuration recording/reading,
Boot code and firmware update via HTML upload,
Automatic update via Update-Server.
DSL-Access:PPPoE Protocol.
VPN:Tunnelling with PPTP Encoding via MPPE.
NAT:Network Address Translation – for Transformation of official
IP Addresses into private IP Addresses and vice versa
DHCP:Dynamic Host Configuration Protocol –
IP interfaces settings.
ICMP:nternet Control Message Protocol – for Ping tests.
Dial Tone Generation:Automatic Dial tone Generation European and US Standard
Call Transfer:Call Transfer with/without consultation call
Call DiversionCall Diversion Unconditional, Busy, No Reply
Call Hold / RetrieveCall Hold / Retrieve.
Call Waiting:Call Waiting inclusive Signalling of second Call Information
Calling Name Identification:Name Display
3 Party Conference:3 Party Conference of internal and/or external Subscriber.
Calling Number Identification:Display of Calling Number
Multiple Registrations:up to 6 Registrations.
Telephone Book:Local, Integration of an External Database.
Time / Date:Exact Time and Date Information via Time Server.


DescriptionStock code
Ex-Telephone FernTel IP4 Zone 2 black with spiral cord  FHF114221210
Ex-Telephone FernTel IP4 Zone 2 black/yellow with spiral cord  FHF114221211
Ex-Telephone FernTel IP4 Zone 2 black/red with spiral cord  FHF114221212
Ex-Telephone FernTel IP4 Zone 2 black with armoured cord  FHF114221220
Ex-Telephone FernTel IP4 Zone 2 black/yellow with armoured cord  FHF114221221
Ex-Telephone FernTel IP4 Zone 2 black/red with armoured cord  FHF114221222
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