Aastra Telecom SIP 57I - Manual (Page 571)

Operational, Basic, and Advanced Parameters
41-001160-00, Release 2.1, Rev 04 A-69
Configuration Parameters
Appendix A
Parameter –
sip acd subscription period
ACD Subscription Period
(in Web UI)
Aastra Web UI Advanced Settings->Global SIP
->Advanced SIP Settings
Configuration Files aastra.cfg, <mac>.cfg
Description Specifies the time period, in seconds, that the IP phone resubscribes the
Automatic Call Distribution (ACD) subscription service after a software/
firmware upgrade or after a reboot of the IP phone.
Format Integer
Default Value 3600
Range 120 (2 minutes is the minimum value)
Example sip acd subscription period: 2000