Avaya B100 Series Expansion Microphones

£140.00 ex. VAT

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The Avaya Conference Phone B100 Series Expansion Microphones product code: 700501539 is in stock and available from Office Phone Shop.

Office Phone Shop offer a full 1 year warranty on all our business telephone systems and business telephone solutions.

The Avaya B100 Expansion Microphones are suitable for use in larger conference rooms or for voice conference meetings with over ten participants.

Compatible with the Avaya B100 family of conference phones, the Expansion Microphones increase the range from 30 square metres up to 70.

Office Phone Shop stock a wide range of new, remanufactured and refurbished business telephone system spares and parts. Please quote Avaya Conference Phone B100 Series Expansion Microphones product code: 700501539 when ordering.

Additional information



Key Features

  • Used to increase microphone coverage in larger conference call meetings
  • Increases the range of from 30 to 70 square meters (750 sq. feet)
  • Includes 4 ft. and 8 ft. connection cables
  • Compatible with Avaya B149, B159, B179, and B189 conference phones

At Office Phone Shop we offer a full one year warranty* on all new, remanufactured and refurbished products.

We offer after sales support** and advice from answering simple user questions to full system programming services. These services are maintained through a combination of online support documents and a full range of business telecoms services, including our maintenance and support services.

We will do all we can to offer our assistance with any problems you may encounter.

Office Phone Shop has built its reputation on offering customer satisfaction. So if you are a customer with a problem, we want to know about it. Our details can be found on the contact page.

*some DECT telephones & untested equipment has a reduced time period warranty.

**where relevant to products/services offered.

UK Delivery

We aim for next day delivery. Any order placed before 1.00 pm on any business day (Monday – Friday excluding Bank Holidays) should be delivered the next business day before 5.30 pm (assuming the item is in stock).

Worldwide Delivery

We ship worldwide from our UK warehouse.

Read more information on Delivery.

  1. The Customer is required to inspect all goods upon receipt and to notify Office Phone Shop of any defects or complaints within 7 days of receiving goods.
  2. It is the responsibility of the customer to ensure the safe return of faulty or incorrect goods to Office Phone Shop.
  3. All goods returned must clearly state customers name, order no, telephone number, fault details and proof of purchasing. These goods must be in Office Phone Shop’s original packaging and condition, with original insertions, fixtures and parts. Failure to do so will result in the refund being invalidated.
  4. We use tamper proof labels which are stuck to each item sold by Office Phone Shop. This ensures that goods have been purchased from Office Phone Shop. When the label is peeled back Office Phone Shop Company details sticks to the glue and the label will then say void. No goods will be accepted back unless this label in intact.