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Digital to Analog Adapter for Rolm Phones



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Every order includes unlimited lifetime support from our Headset Helpdesk, saving you time and money.

Digital to Analog Adapter

  • Allows you to connect an analog device, such as a cordless phone or conference phone to your Siemens Rolm series 100, 200, 300, 400, and 600 phones
  • Compatible with all desktop systems, with modems, communication software, and all fax machines
  • Eliminates the need for dedicated phone installations, analog ports or special terminal adapters
  • Supports most 2-wire analog devices: modem, fax modem, fax machine, answering machine, cordless telephone, teleconferencing or video teleconferencing unit, etc.
  • Can switch back and forth between analog device and digital phone during a call
  • Connects directy to standard wall jack
  • V.34 compatible
  • Supports speeds up to 33.6 kbps
  • Full duplex for speakerphone and teleconferencing functions
  • Easy to install: no PBX programming required
  • Desktop or wall mount installation
  • Includes 18V AC adapter
  • Compact size: 7.4 x 3.9 x 1.8 in
  • Weighs only 17 ounces
  • 1 year manufacturer’s warranty
MFR Part: 50050

Additional information

Weight 1.00 lbs
Dimensions 8.00 × 6.00 × 3.00 in


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Our Unmatched, Value-added Service Saves You Time, Money and Hassles:

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  • Same-day shipping
  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday“Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Special order, 1-2 weeks.

Sometimes this item is not in stock, due to low demand. In this case, expect a phone call or email from BTP Customer Service letting you know the estimated ship date.

If your order includes other products that are in stock, we will give you the option of waiting until all items are in stock to receive your order, or you may request a partial shipment of in stock item(s) with the special order item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


“Thank you so much for the prompt, detail oriented and efficient effort with my order. You can now call me a repeat customer because of this, as this wasRead more

Christine B., Seattle, WA
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