About Headers

You can specify which SIP headers you want effected by the SIP NAT function. The URIs in these headers are translated and encrypted, the encryption occurs according to the rules of this SIP NAT function.

You can enter header values by using either the full header name or its corresponding abbreviation, if applicable. The following table lists the available headers and their corresponding abbreviations

Header	Abbreviation
Call-ID	i
Contact	m
From	f
Record-Route	none
Route	none
Ready-To	none
Replaces	none
Refer-To	r
To	t
Via	v

SIP sessions are terminated and re-originated as new sessions as they are routed through the Oracle® Enterprise Session Border Controller. Among the actions performed, SIP headers are modified to prevent the transmission of IP address and route information.