Aastra Telecom 9480i Series - Manual (Page 269)

Global SIP Settings
41-001160-03, Rev 00, Releaes 2.4 4-87
Configuring Network and Session Initiation Protocol (SIP) Features
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Aastra Web UI
Step Action
For Global configuration, click on Advanced Settings->Global SIP->Advanced SIP Settings.
1 Or for per-line configuration, click on Advanced Settings->Line N (1-9).
Draft 1