$Revision: 1.3 $

Copyright (c) 2006 Xygnanda Technology, Inc.

1.a) Call Setup, MGD initiated, normal

 MGD             ss7boost             rmt SS7 node
  |                |                      |
  |  CallStart     |                      |
  |--------------->|                      |
  |                |     IAM              |
  |                |--------------------->|
  |                |     ACM              |
  |                |<---------------------|
  |  CallStartAck  |                      |
  |<---------------|                      |
  |                |     ANS              |
  |                |<---------------------|
  |  CallAns       |                      |
  |<---------------|                      |
  |                |                      |

1.b) Call Setup, MGD initiated, no ACM

 MGD             ss7boost             rmt SS7 node
  |                |                      |
  |  CallStart     |                      |
  |--------------->|                      |
  |                |     IAM              |
  |                |--------------------->|
  |                |                      |
  |                |     ANS              |
  |                |<---------------------|
  |  CallStartAck  |                      |
  |<---------------|                      |
  |  CallAns       |                      |
  |<---------------|                      |
  |                |                      |

1.c) Call Setup, MGD initiated, remote SS7 node sends CON

 MGD             ss7boost             rmt SS7 node
  |                |                      |
  |  CallStart     |                      |
  |--------------->|                      |
  |                |     IAM              |
  |                |--------------------->|
  |                |                      |
  |                |     CON              |
  |                |<---------------------|
  |  CallStartAck  |                      |
  |<---------------|                      |
  |  CallAns       |                      |
  |<---------------|                      |
  |                |                      |

2.a Call Setup, remote SS7 node initiated, normal

 MGD             ss7boost             rmt SS7 node
  |                |                      |
  |                |     IAM              |
  |                |<---------------------|
  |                |\__Tdigcollect        |
  |  CallStart     |/* see Note (i)       |
  |<---------------|                      |
  |  CallStartAck  |                      |
  |--------------->|                      |
  |                |     ACM              |
  |                |--------------------->|
  |                |                      |
  |                |                      |
  |  CallAns       |                      |
  |--------------->|                      |
  |                |     ANS              |
  |                |--------------------->|
  |                |                      |

Appendix A - Protocol Diagram Template
---------------------------------------------------------

 MGD             ss7boost             rmt SS7 node
  |                |                      |
  |<---------------|                      |
  |                |                      |
  |--------------->|                      |
  |                |                      |
  |                |--------------------->|
  |                |                      |
  |                |<---------------------|