Fanvil T03 Headset Line Sequence Converter, RJ9, for Fanvil IP Phones
Price on request
At a glance
- Line sequence
- Q01 to Q03
- Cable length
- 150 mm ±30 mm
- Working temperature
- 0 to 45 °C
Fanvil T03 is a short RJ9 adapter cable that lets a Fanvil IP phone use a headset wired in a different (Q03) pin order. Plug and play: it sits between the phone headset port and the headset plug.
Include the required quantity and configuration in your quote request. Price and availability will be confirmed in the quotation.
- WarrantyManufacturer warranty under Fanvil's terms. Warranty claims
- DeliveryPrice, availability and delivery charges are confirmed in your quotation. Shipping and delivery
Overview
The Fanvil T03 line sequence converter is a 150 mm adapter between a Fanvil IP phone’s RJ9 headset port and a headset. It changes the wiring order from Q01 to Q03, so headsets wired for other phone brands can work.
Is it right for you?
Choose it if your RJ9 headset is wired in the Q03 sequence and does not work, or has no sound, on a Fanvil phone. If your headset already works, you do not need it.
Key features
- Converts the headset line sequence from Q01 to Q03
- RJ9 (4P4C) socket and RJ9 (4P4C) plug
- Plug and play, no settings
- Cable length 150 mm
What else you need
- A Fanvil IP phone with an RJ9 headset port
- An RJ9 headset wired in the Q03 sequence
Before you buy
- Check your headset’s wiring sequence first; ask our team if unsure
- Working temperature 0 to 45 °C
Technical specifications
- Line sequence
- Q01 to Q03
- Connectors
- RJ9 socket (4P4C) and RJ9 plug (4P4C)
- Cable length
- 150 mm ±30 mm
- Colour
- Black
- Weight
- 7.6 g
- Working temperature
- 0 to 45 °C
- Working humidity
- 20% to 85%
- Warranty
- Manufacturer warranty under Fanvil's terms. How claims work
Questions about this product
What does it do?
It changes the RJ9 headset wiring order from Q01 to Q03 so a Q03 headset works on a Fanvil IP phone.
Does it need setup?
No. It is plug and play.
Which headsets need it?
Headsets wired in the Q03 sequence. Not stated by the manufacturer. Ask our team with your headset model.
Ask about this modelSetup, compatibility, what is in the box
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Looking for an alternative?
We list alternatives only when we have checked they suit the same job. Compare other models in the category, or ask us to suggest one for your site.

