Description Specifies the percentage of the "expires" value after which to refresh
subscriptions by sending a new SUBSCRIBE message in the same
dialog.
Value Range 1–100
Default Value 50
SUB_RTX_INTVL_n
Parameter Name Example SUB_RTX_INTVL_1, SUB_RTX_INTVL_2, …, SUB_RTX_INTVL_16
Value Format INTEGER
Description Specifies the interval, in seconds, between transmissions of
SUBSCRIBE requests when a subscription results in failure (server
no reply or error reply).
Value Range 1–86400
Default Value 10
SIP_P_PREFERRED_ID_n
Parameter Name Example SIP_P_PREFERRED_ID_1, SIP_P_PREFERRED_ID_2, …,
SIP_P_PREFERRED_ID_16
Value Format BOOLEAN
Description Specifies whether to add the "P-Preferred-Identity" header to SIP
messages.
Value Range
• Y (Add the "P-Preferred-Identity" header)
• N (Do not add the "P-Preferred-Identity" header)
Default Value
N
SIP_PRIVACY_n
Parameter Name Example SIP_PRIVACY_1, SIP_PRIVACY_2, …, SIP_PRIVACY_16
Value Format BOOLEAN
Description Specifies whether to add the "Privacy" header to SIP messages.
Value Range
• Y (Add the "Privacy" header)
• N (Do not add the "Privacy" header)
Default Value
N
ADD_USER_PHONE_n
Parameter Name Example ADD_USER_PHONE_1, ADD_USER_PHONE_2, …,
ADD_USER_PHONE_16
Value Format BOOLEAN
Description Specifies whether to add "user=phone" to the SIP URI in SIP
messages.
5.3.22 SIP Settings
Document Version 2016-05 Administrator Guide 239