781
1.
Lift the handset or press Speaker.
2.
Dial 00441202223344#.
The system automatically modifies the required header fields of the SIP INVITE message using the
configuration settings in the table below before forwarding to the ITSP.
SIP INVITE Header Fields
Description
Calling Party Number = 441509555123
Called Party Number = 00441202223344
Request-URI: Invite sip: 00441202223344@172.16.18.100 SIP/2.0
To header: To:sip:00441202223344@172.16.18.100
From header: From<sip:441509555123@172.16.0.10>
Request-URI: Invite sip: 00441202223344@172.16.18.100 SIP/2.0
To header: To:sip:00441202223344@172.16.18.100
From header: From<sip:441509555123@172.16.0.10>
Request-URI: Invite sip:+4400441202223344@172.16.18.100 SIP/2.0
To header: To:sip:+4400441202223344@172.16.18.100
From header: From<sip:+44441509555123@172.16.0.10>
Request-URI: Invite sip:+00441202223344@172.16.18.100 SIP/2.0
To header: To:sip:+00441202223344@172.16.18.100
From header: From<sip:+441509555123@172.16.0.10>
Request-URI: Invite sip:+441202223344@172.16.18.100 SIP/2.0
To header: To:<sip:+441202223344@172.16.18.100>
From header: From<sip:441509555123@172.16.0.10>
P-Asserted-Identity: P-Asserted-Identity441509555123@172.16.0.10>
P-Preferred-Identity: P-Preferred-Identity441509555123@172.16.0.10>
SIP Trunk E.164 CLIP Enhancement
Delete the + only from an incoming SIP INVITE using E.164 numbering scheme:
Delete + from Incoming SIP INVITE
When a + is presented as the international access code in a SIP INVITE for
incoming calls then delete the + only.
<Example Output>
Incoming call from: +4902131795770 Displayed
in terminal incoming caller history as:
Original