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1.2.3  Third party alarm server architecture – example of New Voice Mobicall alarm server 
Alarm processing will be managed together by the Alcatel-Lucent Enterprise call server and 
third party alarm servers. Following is an example of such architecture using the New Voice 
Mobicall alarm server. 
 
The Mobicall server interacts with the call server with signaling links and Voice links. It is able 
to make or receive call to any fixed or wireless sets attached to the Call server. 
 
The Mobicall server can receive Alarms using the Alcatel-Lucent Enterprise Notification Server 
(NS) Protocol (UDP & TCP/IP). 
It can receive Alarms from multiples sources, such as: 
  ESPA 4.4.4: a serial protocol intended for the interconnection of paging equipment with 
telephone exchanges or computer systems. 
  Connection & Alarm information forward over CSTA (identical to NS)  
  Sending alarms over voice links T0, T2, H.323, SIP etc. to address phones without display, 
phones in multi-line mode, external fix and GSM phones. 
  Support of multi-connections to a multi – node A4400 and OXE structure