This status is activated in the Keep Alive parameter on Cisco Call Manager (see Figure 2 on the next page), and should be set to match the SIP registration time value in the SIP Setup web configuration page for the CyberData device (see Figure 3).his status is activated in the Keep Alive parameter on Cisco Call Manager (see Figure 2 on the next page), and should be set to match the SIP registration time value in the SIP Setup web configuration page for the CyberData device (see Figure 3).