Nortel Networks TP-1610 SIP user manual Channel Select Modes, Mode Description

Mediant 2000 SIP User’s Manual	5. Web Management
	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 5.8.6 on page 58).

Version 4.4 61 July 2005