Panasonic KX-TGP550T04 Administration Guide - Page 90
Keep Alive, 6.2.12, Security
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3.6.2 SIP Settings [Line 1]-[Line 8] Supports Session Timer (RFC 4028) Description Value Range Default Value Configuration File Reference Specifies the length of time, in seconds, that the unit waits before terminating SIP sessions when no reply to repeated requests is received. For details, refer to RFC 4028. 0, 60-65535 (0: Disable) 0 SIP_SESSION_TIME_[1-8] (Page 181) 3.6.2.11 Keep Alive Keep Alive Interval Description Value Range Default Value Configuration File Reference 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]. 0, 10-300 (0: Disable) 0 PORT_PUNCH_INTVL_[1-8] (Page 190) 3.6.2.12 Security Enable SSAF (SIP Source Address Filter) Description Value Range Default Value Configuration File Reference Selects whether to enable SSAF (SIP Source Address Filter) for the SIP servers (registrar server, proxy server, and presence server). • 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 3.6.2.3 Outbound Proxy Server is specified, the unit also receives SIP messages from the source address stored in the SIP outbound proxy server. No SIP_DETECT_SSAF_[1-8] (Page 195) 90 Administrator Guide Document Version 2010.03.15
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