Avaya Communication Manager Administrator's Manual page 1419

Interface
This field only appears when the Connect field is pbx. The Interface field controls how your
server negotiates glare with the far-end switch.
Valid entries
Use the following 2 values for private network applications in the U.S.
network
user
Use the following values for private networks (including QSIG networks) outside the U.S.
Entering either of these values causes the Peer Protocol and Side fields to appear.
peer-master
peer-slave
Interface Companding
Appears when the Group Type field is atm. Indicates the companding algorithm expected by
the system.The entry in this field must match the companding method used by the far-end
switch.
Valid entries
alaw
mulaw
Usage
Enter network if your server overrides the other end when glare occurs. If
you are connecting your server to a host computer, set this field to network.
Enter user if your server releases the contested circuit and looks for another
when glare occurs. If you are connecting your server to a public network, set
this field to user.
Enter peer-master if your switch overrides the other end when glare occurs.
Enter peer-slave if your switch releases the contested circuit and looks for
another when glare occurs.
Usage
Enter alaw for E-1 service.
Enter mulaw for T-1 service.
Signaling Group
Issue 2.1 May 2006 1419