How does the gatekeeper registration work in detail?
Posted by Elena Brambilla, Last modified by Daniel Lizaola on 12 December 2017 04:39 PM
 Up to 3 different gatekeeper IP addresses can be configured on a SmartNode.If the SmartNode is unregistered from the gatekeeper by means of an URQ message, after sending a UCF message the SmartNode tries (instantaneously) up to 3 times (every 20s) with an RRQ message to register with the next configured gatekeeper (round robin). Once successfully registered the SmartNode re-registers every 90s again with a RRQ message. If 3 RRQ registration requests in a row fail the SmartNode switches to the next configured gatekeeper. If a RRQ is not answered with a RCF or RRJ the SmartNode resends 2 further RRQ messages in 20s intervals.
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