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This feature is enabled by default in the SIP Profile (see IMG 1010 - SIP Profile - 10.5.3).
The maximum number of redirects is 10.
The same IP Profile is used for all attempts.
Once a contact has responded with a 180 Ringing or 183, the IMG will not make any more redirect attempts
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Example Call Flow
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Related topics
IMG 1010 - Supported 3xx Redirect Responses
IMG 1010 - SIP Profile - 10.5.3