The Avaya ISDN Line has 12 ports that connect to ISDN-BRI terminals. Each port has TXT, TXR, PXT, and PXR signal leads. Up to eight ports can be used for Adjunct Switch Application Interface (ASAI) links. Each port operates at 192 kbps per second and has 2 B-channels and 1 D-channel.
MF Communications stock 1000s of telephone products, system spares and parts. We provide a full one year warranty and test all new telephones and part, before we ship.
MF Communications has a large stock in our UK warehouse of new telephone PBX system spares and telephone parts, and deliver them worldwide. Please quote part number TN556D when ordering.
At MF Communications 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.
MF Communications has built its reputation on offering customer satisfaction. So if you are a customer with a problem, we want to know about it. You can contact us by calling +44 (0) 1892 514687 or email email@example.com.
*some DECT telephones & untested equipment has a reduced time period warranty.
**where relevant to products/services offered.
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).
We ship worldwide from our UK warehouse. All international shipment charges are quoted per parcel. If your order exceeds the standard parcel size further shipment charges will be due before the order can be shipped. We will contact you directly with any additional shipment charges are due.
Read more information on UK and Worldwide Delivery.