4.6.1.1 Call ControlSend SUBSCRIBE to Voice Mail ServerDescription Selects whether to send the SUBSCRIBE request to a voice mailserver.Note• Your phone system must support voice mail.Value Range • Yes• NoDefault Value NoConfiguration File Reference VM_SUBSCRIBE_ENABLEConference Server URIDescription Specifies the URI for a conference server, which consists of "sip:", auser part, the "@" symbol, and a host part, for example,"sip:conference@example.com".Note• Availability depends on your phone system.Value Range Max. 256 charactersDefault Value Not stored.Configuration File Reference CONFERENCE_SERVER_URIFirst-digit TimeoutDescription Specifies the length of time, in seconds, within which the first digits ofa dial number must be dialed.Value Range 1–600 (s)Default Value 30Configuration File Reference FIRSTDIGIT_TIMInter-digit TimeoutDescription Specifies the length of time, in seconds, within which subsequentdigits of a dial number must be dialed.Value Range 1–15 (s)Default Value 5Configuration File Reference INTDIGIT_TIMTimer for Dial PlanDescription Specifies the length of time, in seconds, that the unit waits when a "T"or "t" has been entered in the dial plan.Value Range 1–15 (s)4.6.1 Call Control132 Administrator Guide Document Version: 2017-07