what adapter would i need to make this work on a digital line?

http://www.amazon.com/gp/product/B00008KJ3M/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1

Does this conference phone need its own separate analog line?

It doesn't need its own separate line and should function fine with analog. If you have digital lines, however, you'll need an adapter:http://www.amazon.com/gp/product/B00008KJ3M/ref=oh_details_o03_s00_i00?ie=UTF8&psc=1

Does anyone get a lot of echo from this model? My clients are complaining about it whenever we use this phone to call them.

We have quite a few of this unit deploy with analog telephone lines and it work quite well. How is the connection? Is it connected via mobile or PC? Go to setting, mobile level to switch to soft, neutral or bright to test. Charles K.

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Avaya B159 Conference Phone

Product ID: 24384628

Details

Answering System Type
Digital
Brand
Avaya
Color
Black
Compatible Devices
Analog phone
Dialer Type
Single Keypad
Item Weight
1000 g

💾SD Memory card for seamless call recording

📶320 sq. ft. pickup range for large rooms

🔊Full Duplex for crystal-clear calls

B/.368

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Description

📞 Elevate your boardroom calls—because your ideas deserve to be heard loud and clear!

EXPAND YOUR REACH - Optional B100 expansion microphones extend coverage for larger boardrooms and dynamic discussions.
DESIGNED FOR IMPACT - Sleek, professional design fits perfectly in any executive conference room, supporting groups of 10+.
RECORD EVERY INSIGHT - Built-in SD memory card lets you capture and archive calls for easy reference and compliance.
CRYSTAL CLEAR FULL DUPLEX AUDIO - Experience natural, echo-free conversations that make remote meetings feel in-person.
SEAMLESS MULTI MODE CONNECTIVITY - Switch effortlessly between analog, VoIP, and mobile lines to keep every call flowing.

The Avaya B159 Conference Phone is a versatile dual-mode device designed for large conference rooms, supporting analog, VoIP, and mobile connections. It features full duplex audio for clear conversations, an SD memory card for call recording, and a 320 sq. ft. pickup range, with optional expansion microphones to cover even bigger spaces. Ideal for professional teams of 10 or more, it ensures seamless, high-quality communication in any executive setting.

Specifications

ASIN	B004WLB9R6
Answering System Type	Digital
Best Sellers Rank	#865,223 in Office Products ( See Top 100 in Office Products ) #1,374 in VoIP Phones
Brand	Avaya
Color	Black
Compatible Devices	Analog phone lines, VoIP services, Mobile networks
Conference Call Capability	advanced
Customer Reviews	3.8 3.8 out of 5 stars (5)
Dialer Type	Single Keypad
Enclosure Material	Plastic
Item Dimensions	9.45 x 9.45 x 3.03 inches
Item Weight	1000 g
Manufacturer	Avaya
Mfr Part Number	700501530
Model Number	700501530
Multiline Operation	Multi-Line Operation
Phone Talk Time	5 hours
Power Source	Corded Electric
Telephone Type	Corded

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

2 months ago

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B/.368

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Great experience from order to delivery. Highly recommended!

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