Customer Service Center
Spirent KB Article
Doc ID: FAQ15409
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Spirent TestCenter: Why can't I send a Register message from the SIP clients?
Check if the ARP is resolved for Gateway and for Proxy server
Without resolving ARP at device and for proxy server it will not send Register message.
Check the SIP configuration domain name does not have an @ sign.
The @ sign is automatically added by Spirent TestCenter.
Product : Spirent TestCenter,SIP,ALP