Network Settings - Cisco 8851 Administration Manual

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Parameter
NAT Keep Alive Msg
NAT Keep Alive Dest

Network Settings

Parameter
SIP TOS/DiffServ Value
RTP ToS/DiffServ Value
SIP Settings
Parameter
SIP Transport
SIP Port
SIP 100REL Enable
EXT SIP Port
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
256
Description
Enter the keep alive message that should be sent periodically to maintain
the current NAT mapping. If the value is $NOTIFY, a NOTIFY message
is sent. If the value is $REGISTER, a REGISTER message without
contact is sent.
Default: $NOTIFY
Destination that should receive NAT keep alive messages. If the value
is $PROXY, the messages are sent to the current or outbound proxy.
Description
Time of service (ToS)/differentiated services (DiffServ) field value in
UDP IP packets carrying a SIP message. Defaults to 0x68.
ToS/DiffServ field value in UDP IP packets carrying RTP data. Defaults
to 0xb8.
Description
Select from UDP, TCP, or TLS.
Default: UDP
Port number of the SIP message listening and transmission port.
Default: 5060
Support of 100REL SIP extension for reliable transmission of provisional
responses (18x) and use of PRACK requests. Select Yes to enable.
Default: No
The external SIP port number.