If you enter the SBC's IUP Address as the Proxy, then all
SIP communication
from the phone will be sent to the SBC. The SBC will then proxy for the phone for all
SIP communication (INVITE, REGISTER, etc.) for calls
from the Softphone.
For calls going
to the Softphone, it all depends on the settings on the device originating the call as to where those SIP messages are sent.
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George Ganahl CCXP, GCA
Principal Technology Consultant
Genesys
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