Table 5-6: channel select modes, Table – Nortel Networks Mediant TP-1610 SIP User Manual
Page 61
Mediant 2000 SIP User’s Manual
5. Web Management
Version 4.4
61
July 2005
Table
5-6: Channel Select Modes
Mode
Description
By phone number
Select the gateway port according to the called number (refer to the note
below).
Cyclic Ascending
Select the next available channel in an ascending cycle order. Always select
the next higher channel number in the Trunk Group. When the gateway
reaches the highest channel number in the Trunk Group, it selects the lowest
channel number in the Trunk Group and then starts ascending again (default).
Ascending
Select the lowest available channel. Always start at the lowest channel
number in the Trunk Group and if that channel is not available, select the next
higher channel.
Cyclic Descending
Select the next available channel in descending cycle order. Always select the
next lower channel number in the Trunk Group. When the gateway reaches
the lowest channel number in the Trunk Group, it selects the highest channel
number in the Trunk Group and then start descending again.
Descending
Select the highest available channel. Always start at the highest channel
number in the Trunk Group and if that channel is not available, select the next
lower channel.
Number + Cyclic Ascending
First select the gateway port according to the called number (refer to the note
below). If the called number isn’t found, then select the next available channel
in ascending cyclic order. Note that if the called number is found, but the port
associated with this number is busy, the call is released.
Note:
The internal numbers of the gateway’s B-channels are defined in the ‘Trunk
Group Table’ under the ‘Phone Number’ column. For detailed information on
the ‘Trunk Group Table’, refer to Section
).