AudioCodes Mediant 2000 User Manual page 282

Parameter
Registration Mode
User's Manual

[1] Cyclic Ascending = The next available channel in the Trunk
Group, in ascending cyclic order is selected. After the device
reaches the highest channel number in the Trunk Group, it selects
the lowest channel number in the Trunk Group, and then starts
ascending again.

[2] Ascending = The lowest available channel in the Trunk Group
is selected, and if unavailable, the next higher channel is selected.

[3] Cyclic Descending = The next available channel in descending
cyclic order is selected. The next lower channel number in the
Trunk Group is always selected. When the device reaches the
lowest channel number in the Trunk Group, it selects the highest
channel number in the Trunk Group, and then starts descending
again.

[4] Descending = The highest available channel in the Trunk
Group is selected, and if unavailable, the next lower channel is
selected.

[5] Dest Number + Cyclic Ascending = The channel is selected
according to the called number. If the called number isn't found,
the next available channel in ascending cyclic order is selected.
Note: If the called number is located, but the port associated with
the number is busy, the call is released.

[6] By Source Phone Number = The channel is selected
according to the calling number.

[7] Trunk Cyclic Ascending = The channel from the first channel
of the next trunk (adjacent to the trunk from which the previous
channel was selected) is selected.

[8] Trunk & Channel Cyclic Ascending = The device implements
the Trunk Cyclic Ascending and Cyclic Ascending methods to
select the channel. This method selects the next physical trunk in
the Trunk Group, and then selects the B-channel of this trunk
according to the Cyclic Ascending method (i.e., selects the
channel after the last allocated channel).
For example, if the Trunk Group includes two physical trunks, 0
and 1:

For the first incoming call, the first channel of Trunk 0 is
selected.

For the second incoming call, the first channel of Trunk 1 is
selected.

For the third incoming call, the second channel of Trunk 0 is
selected.

[11] Dest Number + Ascending = The device allocates a channels
to incoming IP-to-Tel calls as follows:
a. The device attempts to route the call to the channel that is
associated with the destination (called) number. If located, the
call is sent to that channel.
b. If the number is not located or the channel is unavailable
(e.g., busy), the device searches in ascending order for the
next available channel in the Trunk Group. If located, the call
is sent to that channel.
c. If all the channels are unavailable, the call is released.
Note: If this parameter is not configured for the Trunk Group, then its
channel select method is according to the global parameter,
ChannelSelectMode.
Defines the registration method for the Trunk Group:
282
Description
Document #: LTRT-68822
Mediant 2000