Calls from IP Peer Network

For calls received from external peer networks, the Oracle® Enterprise Session Border Controller uses the following number normalization rules:

• Global numbers such as NANP and international E.164 numbers should have already been normalized. If not, the Oracle® Enterprise Session Border Controller applies the same number normalization rules listed in the prior section.
• Calls to numbers such as N11, 0-, 0+, 00-, and 01+: the Oracle® Enterprise Session Border Controller adds ;phone-context=+1 after the number and also adds the string ;user=phone (if absent) after the host IP address in the SIP URI.