Configuration File Reference SIP_ADD_RPORT (Page 308)

STUN

Description Select whether to enable the STUN service.
Value Range •Yes
•No
Default Value No
Configuration File Reference SIP_STUN_ENABLE (Page 308)
4.5.1.15 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
4.5.1.4 Outbound Proxy Server is specified, the unit also
receives SIP messages from the source address stored in the
SIP outbound proxy server.
Default Value No
Configuration File Reference SIP_DETECT_SSAF (Page 311)
118 Administrator Guide Document Version 2014-05
4.5.1 SIP Settings [Line 1]–[Line n]