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ADOC V4 Voice Box – Mobile-to-landline adapter with WLAN & FXS
Brand: ‎ADOC
Vendor code: 998041529

ADOC V4 Voice Box – Mobile-to-landline adapter with WLAN & FXS

Out of stock
4.8

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Product description: more details
  • Don't lose your landline connection. Be aware of the so-called analog power outage (the shutdown of all copper power plants in Spain). This means that conventional telephone lines will no longer work. ADOC has the solution: With the V4 Voicebox, you can continue using your familiar landline phones, ensuring they are not lost, even in the homes of elderly people.
  • TELEASIS RESPONSIBILITY. Compatible with Tunstall and Neatgroup. The V4 voice box works with teleassistance devices, providing reliable and efficient support for anyone who needs it. Includes two RJ11 ports for analog copper cabling.
  • Ideal for temporary communication on construction sites, at events, or in emergency situations where an analog device is needed when no permanent installation is available. Especially suitable for workshops and noisy environments. You can connect a siren or a flashing light to let you know when to call us. The 4,000 mAh battery provides approximately 42 hours of operation. The device continues to function even during a power outage.
  • Connection of the upstream lines to the GSM network. Backup for elevators. In an emergency, the V4 voice mailbox provides a vital communication link in the elevator via the GSM network. This can be extremely useful in situations where landline lines have failed.
  • Alarm system. Enables the connection of acoustic alarm systems to the GSM network, thus allowing emergency warnings to be transmitted even when there is no landline connection. Increase the security and reliability of your alarm system.
  • The ADOC V4 voicemail box converts mobile network signals (2G, 3G, or 4G) into a landline FXS signal. This allows you to continue using your existing landline phones. Compatible with remote control. Supports VoLTE calls (4G calls with higher voice quality).
  • Developed in Spain: ADOC develops products in Spain in collaboration with the major network operators. High-quality products for the user – lightweight, durable and ergonomic.
Specification: all specifications
Ean number: 8437017439523
Product Model: ‎V4
Average Battery Life: 42 hours
Colour: Black
Compatible devices: Personal computer, remote control, voicemail, VoLTE calls (4G), landline phones, smartphone, tablet
Included components: Battery, charger, external antenna, user manual (English not guaranteed), user manual (not in English), main unit, user guide (English possibly not guaranteed), user guide (not in English)
Installation method: Hybrid (wireless and wired)
Reviews: Reviews
14/11/2025
Sophie Schneider
Die Sprachqualität beim Telefonieren über WLAN ist sehr gut.
12/11/2025
Maximilian Müller
Die Installation des ADOC V4 Voice Box war einfach und unkompliziert.
Vendor code: 998041529

ADOC V4 Voice Box – Mobile-to-landline adapter with WLAN & FXS

79€ -25%
was: 105€
tax included in price
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0722209268

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Product overview
  • Don't lose your landline connection. Be aware of the so-called analog power outage (the shutdown of all copper power plants in Spain). This means that conventional telephone lines will no longer work. ADOC has the solution: With the V4 Voicebox, you can continue using your familiar landline phones, ensuring they are not lost, even in the homes of elderly people.
  • TELEASIS RESPONSIBILITY. Compatible with Tunstall and Neatgroup. The V4 voice box works with teleassistance devices, providing reliable and efficient support for anyone who needs it. Includes two RJ11 ports for analog copper cabling.
  • Ideal for temporary communication on construction sites, at events, or in emergency situations where an analog device is needed when no permanent installation is available. Especially suitable for workshops and noisy environments. You can connect a siren or a flashing light to let you know when to call us. The 4,000 mAh battery provides approximately 42 hours of operation. The device continues to function even during a power outage.
  • Connection of the upstream lines to the GSM network. Backup for elevators. In an emergency, the V4 voice mailbox provides a vital communication link in the elevator via the GSM network. This can be extremely useful in situations where landline lines have failed.
  • Alarm system. Enables the connection of acoustic alarm systems to the GSM network, thus allowing emergency warnings to be transmitted even when there is no landline connection. Increase the security and reliability of your alarm system.
  • The ADOC V4 voicemail box converts mobile network signals (2G, 3G, or 4G) into a landline FXS signal. This allows you to continue using your existing landline phones. Compatible with remote control. Supports VoLTE calls (4G calls with higher voice quality).
  • Developed in Spain: ADOC develops products in Spain in collaboration with the major network operators. High-quality products for the user – lightweight, durable and ergonomic.

Adapter, telephony, communication, connection, voice device

Specifications
Average Battery Life 42 hours
Colour Black
Compatible devices Personal computer, remote control, voicemail, VoLTE calls (4G), landline phones, smartphone, tablet
Included components Battery, charger, external antenna, user manual (English not guaranteed), user manual (not in English), main unit, user guide (English possibly not guaranteed), user guide (not in English)
Installation method Hybrid (wireless and wired)
Item dimensions L x W x H 14.6 x 11.6 x 3.1 centimetres
Power source Battery operated
Product dimensions ‎14.6 x 11.6 x 3.1 cm; 520 g
Size ‎146 * 116 * 31 mm
Weight (g) 520.0
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