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

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MCK Citel E-4000-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
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