User`s guide

allow the PPP session to be on permanently unless the server closes the connection.
This field can be made active later to enable a configuration of timeout value.
IP Address: This should have the IP address of the phone in dot-separated IP address
form. An illegal IP address won't be allowed for this field.
Net Mask: This will have the Net Mask of the network to which the IP phone is
connected. It must be in dot-separated form. An illegal IP address mask won't be
allowed for this field.
Default Gateway: This is the default gateway for the IP phone. An illegal IP address
won't be allowed for this field.
DNS server Address: This is the IP address of the DNS server, which will respond to
the DNS queries from the IP phone. It must be in dot-separated form. An illegal IP
address won't be allowed for this field.
TFTP Server: This has the IP address of the host where TFTP server is running. It must
be in dot-separated form. An illegal IP address won't be allowed for this field.
Firmware Filename (up to 6 characters): This is the filename which you want to
download from the TFTP server. It may be 6 characters long at maximum. It should
start with a letter and should consist of digits, letters and underscore.
Upload Filename (up to 6 characters): This is the filename to upload the configuration
parameters from the phone to the TFTP server. It may be 6 characters long at
maximum. It should start with a letter and should consist of digits, letters and
underscore.
Download Filename (up to 6 characters): This is the filename to download the
configuration parameters from the TFTP server to the phone. It may be 6 characters
long at maximum. It should start with a letter and should consist of digits, letters and
underscore.
Adaptive Jitter: If this is enabled then Jitter Buffer will be adaptive, otherwise it will
use a fixed buffer of a size specified in Maximum Buffer Size.
Maximum Buffer Size: If adaptive jitter is disabled, the phone will use this static value
for Jitter Buffer size. This should be in the range of 0-300 in ms.
Log Server: This flag is turned on in case the user wants to log all debug messages for
viewing.
Log Server Address: This has the IP address of the machine where all the log messages
should be sent. It must be in dot-separated form. An illegal IP address won't be allowed
for this field.
Log Server Port: This is the port number on the log server to which the log messages are
to be sent. It should be a valid port number in the range of 0-65535. The user should
make sure that it is not one of the reserved port numbers.
Microphone Gain: This will show the microphone gain in the range of -14 to 14 (unit of
dB)
Speaker Gain: This will show the speaker gain in the range of -14 to 14 (unit of dB)
Access Settings: The following three key sequences should be unique.
Factory Default: This is the key sequence the user should dial on the phone to get the
phone to use all the default values of the parameters. After entering this key sequence
on the MGCP phone it will restore the parameters to default upon next restart.
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