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Chapter 8 Profile and Web Page Parameters and Defaults
SIP Parameters
8-12
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
MediaPort Port from which the phone transmits and receives media streams. This value
must be an even number; each connection uses the next available
even-numbered port for RTP. 0=Use the default value.
This value can range from 0 to 65535.
Value type: Even integer.
Default value: 16384
OutBoundProxy IP address or URL of the outbound proxy server, with or without a port
parameter; for example, 209.165.201.30, 209.165.201.30.5060,
209.165.201.30:5061, sip.cisco.com, sip.xyz.cisco.com:5061.
• For IP address, the port, if included, can be preceded by a period (.) or a
colon (:).
• For URL, the port must be preceded by a colon (:).
• If no port is specified, the default port 5060 is used.
Value type: Alphanumeric string, up to 31 characters.
Default value: 0
NatServer Specifies a server to which a dummy, single-byte UDP packed is sent to
maintain a Network Address Translation (NAT) during a session.
This parameter can contain up to 47 characters in fully qualified domain name
(FQDN) or IP format with an optional port parameter (separated from the
address by a colon); for example, xyz.cisco.com;1234. If no port is specified,
the phone uses port 5060.
Value type: IP address, up to 47 characters.
Default value: 0.0.0.0 (port 5060 will be used)
NatTimer Retransmission interval (in seconds) for sending a dummy packet to the server
specified with the NatServer parameter, specified in bits 0-11 the parameter.
The upper 20 bits are reserved and should be set to 0.
Value type: Bitmap.
Default value: 0x00000000 (no dummy packets will be sent to NatServer)
Table 8-2 SIP Parameters (continued)
Parameter Description