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17.1.2.4. Digital Inter-PBX traffic via S0/S2 Interface (OpenScape 4000/OpenScape 4000= Local Internal Network) Previous topic Parent topic Child topic Next topic

  1. Each PBX has an attendant and an exchange interface
    • PBX 1
      • Consultation via same line with direction test
      • Attendant recall
      • Camp-on / override
      • Call transfer in busy / ringing / talking state
    • PBX 2
      • Consultation via same line with direction test
      • Attendant recall
      • Camp-on / override
      • Call transfer in busy / ringing / talking state
    • Anl. 3
      • Consultation via same line with direction test
      • Attendant recall
      • Camp-on / override
      • Call transfer in busy / ringing / talking state
    • Protocol variant for ISDN exchange: PROT: N1 (1 TR6)
    • Protocol variant for S0/S2 connection:
      • PROT: I (CorNet)
      • PROTVAR: CORN3 (CorNet-N)
      cr012095.wmf.png
      IMPORTANT:
      User A is in talking state with user B. If the COT parameter CNDT is set, and trunk group overflow is configured, user B would be unable to reach user C via a consultation call.
  2. Not all PBXs have exchange interfaces and attendants:
    • PBX 1
      • Consultation via same line with direction test
      • Attendant recall
      • Camp-on / override
      • Call transfer in busy / ringing / talking state
    • Anl. 2
      • Consultation via same line with direction test
      • Attendant recall
      • Camp-on / override
      • Call transfer in busy / ringing / talking state
    • Anl. 3
      • Consultation via same line with direction test
      • Camp-on / override
      • Call transfer in busy / ringing / talking state
    • Protocol variant for ISDN exchange: PROT: N1 (1 TR6)
    • Protocol variant for S0/S2 connection:
      • PROT: I (CorNet)
      • PROTVAR: CORN3 (CorNet-N)
      cr012152.wmf.png
      IMPORTANT:
      User A is in talking state with user B. If the COT parameter CNDT is set, and trunk group overflow is configured, user B would be unable to reach user C via a consultation call.
       
      Each PBX has an attendant and an exchange interface
      Not all PBXs have exchange interfaces and attendants
       
      PBX1
      PBX2
      PBX3
      PBX1
      PBX2
      PBX3
       
      a
      b
      c
      a
      b
      c
      a
      b
      c
      a
      b
      c
      a
      b
      c
      a
      b
      ANS
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      X
      X
      X
      X
      X
      X
      AEOD
      		                      
      X
      		    
      X
      		    
      NTON
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      X
      CNDT
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      KNOR
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      CEBC
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      ZWVK
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      		  
      X
      X
      RCLS
      		                              
      X
      X
      COTN
      X
      X
      		  
      X
      X
      		  
      X
      X
      		                  
      Further useful COT parameters
      TRAI
      TRAI
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