AtlasPhones offers an iron-clad warranty on all products. CLICK HERE for more information
- Nationwide Installer Database
- Find A Qualified Installer Near You
- Interconnects Sign Up
Free Ground Shipping for $500+ orders (not including shipping) / Only $9.95 all others to the Continental U.S.A. included with online orders.
Why Atlasphones Is The Trusted Source?
AtlasPhones has maintained our status as the customer service leader in the Business Telecom Industry since 1998.

MCK Citel E-4000P-RLM 4000 Lucent Definity EXTender

MCK Citel E-4000P-RLM 4000 Lucent Definity EXTender
Availability: Yes
$749.00 Retail Price:
$427.00 Sale Price:
43% Save:
Item Total:

Refer Item to a Friend
Free Ground Shipping for orders $500+ Just $9.95 under $500

MCK Citel E-4000P-RLM 4000 E4000 Lucent IP EXTender

The MCK EXTender 4000 provides a teleworker or a home-based call center agent with the same digital telephone set and access to all the features they have in the corporate office or call center. By sending the voice traffic and signaling over a managed IP network back to one of MCK's EXTender PBXgateways located at the corporate site, the MCK XTender 4000 allows voice traffic to be seamlessly carried over an existing data network.


  • Auto Connect Mode
  • Comfort Noise Generation
  • Dynamic and Static IP Addressing
  • Support for IP Precedence
  • One Year Warranty


  • Alcatel: 4400 and 4200
  • AvayaTM: DEFINITY ECS release 3 or later
  • MERLIN MAGIX (release 2 or later)
  • Ericsson: MD110
  • NEC: i-Series 28i, 124i, 124ie, 384i and 704i
  • Nortel: BCM, Meridian and Norstar
  • Panasonic: DBS 576 and 576HD
Recently viewed items
Insert email for special offers:
Free Free UPS Ground shipping on orders of $500+. Within Continental U.S. (under $500 orders only $9.95)
A portion of each purchase will be donated to The Penrickton Center for Blind Children. For more information, visit
Have Telecom Items For Sale? Top Dollar Offered - Lightning Fast Bids Provided
Publish hosting images