'name':fields.char('Asterisk server name',size=50,required=True,help="Asterisk server name."),
'active':fields.boolean('Active',help="The active field allows you to hide the Asterisk server without deleting it."),
'ip_address':fields.char('Asterisk IP addr. or DNS',size=50,required=True,help="IPv4 address or DNS name of the Asterisk server."),
'ip_address':fields.char('Asterisk IP addr. or DNS',size=50,required=True,help="IP address or DNS name of the Asterisk server."),
'port':fields.integer('Port',required=True,help="TCP port on which the Asterisk Manager Interface listens. Defined in /etc/asterisk/manager.conf on Asterisk."),
'out_prefix':fields.char('Out prefix',size=4,help="Prefix to dial to place outgoing calls. If you don't use a prefix to place outgoing calls, leave empty."),
'national_prefix':fields.char('National prefix',size=4,help="Prefix for national phone calls (don't include the 'out prefix'). For e.g., in France, the phone numbers look like '01 41 98 12 42' : the National prefix is '0'."),