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Chapter 6: Using the Web-based Utility
The Voice Tab
IP Telephony System
The Voice - Line 1/2/3/4 Screen
Use the appropriate screen to configure settings for each external Internet phone line.
Line Enable. To enable this line for service, select yes. Otherwise, select no. The default is yes.
Network Settings
SIP ToS/DiffServ Value. Enter the TOS/DiffServ field value in UDP IP packets carrying SIP messages. The default
is 0x68.
SIP CoS Value. Enter the CoS value for SIP messages. The default is 3.
SIP Settings
SIP Port. Enter the port number of the SIP message listening and transmission port. The default is 5060.
SIP 100REL Enable. To enable the support of 100REL SIP extension for reliable transmission of provisional
responses (18x) and use of PRACK requests, select yes. Otherwise, select no. The default is no.
Auth Resync-Reboot. If this feature is enabled, the System will authenticate the sender when it receives the
NOTIFY resync reboot (RFC 2617) message. To use this feature, select yes. Otherwise, select no. The default
is yes.
SIP Proxy-Require. The SIP proxy can support a specific extension or behavior when it sees this header from the
user agent. If this field is configured and the proxy does not support it, then it will respond with the message,
“unsupported.” Enter the appropriate header in the field provided.
SIP Remote-Party-ID. To use the Remote-Party-ID header instead of the From header, select yes. Otherwise,
select no. The default is yes.
SIP Debug Option. SIP messages are received at or sent from the proxy listen port. This feature controls which
SIP messages to log. Select none for no logging. Select 1-line to log the start-line only for all messages. Select
1-line excl. OPT to log the start-line only for all messages except OPTIONS requests/responses. Select 1-line
excl. NTFY to log the start-line only for all messages except NOTIFY requests/responses. Select 1-line excl. REG
to log the start-line only for all messages except REGISTER requests/responses. Select 1-line excl.
OPT|NTFY|REG to log the start-line only for all messages except OPTIONS, NOTIFY, and REGISTER
IMPORTANT: In most cases, you should not change the service settings unless instructed to do
by your ITSP.
Figure 6-44: Voice - Line 1 Screen - Network Settings
Figure 6-45: Voice - Line 1 Screen - SIP Settings
VoIPon Solutions www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0) 1245 600560