Panasonic KX-UT123

Default Value 0
Configuration File Reference SIP_SESSION_TIME_n (Page 251)
4.5.2.12 NAT Identity
Keep Alive Interval
Description Specifies the interval, in seconds, between transmissions of the Keep
Alive
packet
to the unit in order to maintain the NAT binding information.
Note
• This
setting
is available only when [Transport Protocol] is set
to [UDP].
Value Range 0, 10–300 (0: Disable)
Default Value 0
Configuration File Reference PORT_PUNCH_INTVL_n (Page 259)
Supports Rport (RFC 3581)
Description Selects whether to add the 'rport' parameter to the top Via header field
value of requests generated. For details, refer to RFC 3581.
Value Range
• Yes
• No
Default Value No
Configuration File Reference SIP_ADD_RPORT_n (Page 259)
4.5.2.13 Security
Enable SSAF (SIP Source Address Filter)
Description Selects whether to enable SSAF (SIP Source Address Filter) for the
SIP servers (registrar server, proxy server, and presence server).
Value Range
• Yes
• No
Note
• If you select [Yes], the unit receives SIP messages only from
the source addresses stored in the SIP servers (registrar
server, proxy
server, and presence server), and not from other
addresses. However, if [Outbound Proxy Server Address] in
4.5.2.3 Outbound Proxy Server is specified, the unit also
receives SIP messages from the source address stored in the
SIP outbound proxy server.
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4.5.2 SIP Settings [Line 1]–[Line x]