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Applicability
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SBC 1000/2000 Edge version 3.0 or later. |
Summary
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This is what happens when Signaling/Media Source IP is set to Auto.
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In a call from the phone to SIP Server 10.3.1.253:
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Calls with Signaling/Media set to a specific Ethernet/IP interface
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In a call from the phone to SIP Server 50.2.2.201:
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What happens when the SIP Server is on a different interface than the one set in the SG Signaling/Media configuration:
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In a call from the phone to SIP Server 10.3.1.253:
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What happens when NAT Public IP is configured.
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In a call from the phone to SIP Server 50.2.2.201:
- The call route specifies the Network 2 SG Destination Signaling Group.
- The Network 2 SG Signaling Group specifies that calls be sent to the destination server configured in the Network 2 SIP Servers Table.
- The Network 2 SIP Server Table specifies the SIP Server IP 50.2.2.201.
- With the Network SG 2's Signaling/Media Source IP configured to Auto , the IP Routing Table is consulted to ensure there is an IP route to the 50.2.2.0/24 network.
- The INVITE is sent out Ethernet 3 to the SIP Server with the Source IP address of SBC's Ethernet/IP port 3.
- The SIP and SDP IP addresses are set to 50.4.4.155 because NAT Public IP is configured in the egress Signaling Group.
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Overview
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