AudioCodes Mediapack mp-11x, Руководство пользователя

Страница: 71 / 390

Version 5.2 71 August 2007
SIP User's Manual 5. Web-based Management
2.
Configure the parameters according to the table below.
3.
Click the
Submit
button to save your changes.
4.
To save the changes to flash memory, refer to 'Saving Configuration' on page 238 .
Table 5-8: General Parameters (Protocol Definition)
Parameter Description
PRACK Mode
[PRACKMode]
PRACK mechanism mode for 1xx reliable responses.
Valid options include:
ƒ
[0]
Disable
ƒ
[1]
Supported (default)
ƒ
[2]
Required
Notes:
ƒ
The Supported and Required headers contain the '100rel' parameter.
ƒ
The gateway sends PRACK message if 180/183 response is received
with '100rel' in the Supported or the Required headers.
Channel Select Mode
[ChannelSelectMode]
Port allocation algorithm for IP-to-Tel calls.
You can select one of the following methods:
ƒ
[0]
By Dest Phone Number = (default) Select the gateway port
according to the called number (called number is defined in the
'Endpoint Phone Number' table).
ƒ
[1]
Cyclic Ascending = Select the next available channel in an
ascending cycle order. Always select the next higher channel number
in the hunt group. When the gateway reaches the highest channel
number in the hunt group, it selects the lowest channel number in the
hunt group and then starts ascending again.
ƒ
[2]
Ascending = Select the lowest available channel. Always start at the
lowest channel number in the hunt group and if that channel is not
available, select the next higher channel.
ƒ
[3]
Cyclic Descending = Select the next available channel in
descending cycle order. Always select the next lower channel number
in the hunt group. When the gateway reaches the lowest channel
number in the hunt group, it selects the highest channel number in the
hunt group and then starts descending again.
ƒ
[4]
Descending = Select the highest available channel. Always start at
the highest channel number in the hunt group and if that channel is not
available, select the next lower channel.
ƒ
[5]
Dest Cyclic Ascending = First select the gateway port
according to the called number. 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.
ƒ
[6]
By Source Phone Number = Select the gateway port according to
the calling number.