Value Range •Y (Enable RFC 2543 Call Hold)
•N (Disable RFC 2543 Call Hold)
Note
•If set to "Y", the "c=0.0.0.0" syntax will be set in SDP when
sending a re-INVITE message to hold the call.
•If set to "N", the "c=x.x.x.x" syntax will be set in SDP.
Default Value Y
Web User Interface Reference Supports RFC 2543 (c=0.0.0.0) (Page 95)
4.7 Line Settings

4.7.1 Call Control Settings

VM_NUMBER_[1–8]

Parameter Name Example VM_NUMBER_1, VM_NUMBER_2, …, VM_NUMBER_8
Value Format String
Description Specifies the phone number used to access the voice mail server.
Note
•Your phone system must support voice mail.
Value Range Max. 24 characters (consisting of 0–9, *, and #)
Note
•No other characters are allowed.
Default Value Empty string
Web User Interface Reference Voice Mail Access Number (Page 105)

DIAL_PLAN_[1–8]

Parameter Name Example DIAL_PLAN_1, DIAL_PLAN_2, …, DIAL_PLAN_8
Value Format String
Description Specifies a dial format, such as specific phone numbers, that control
which numbers can be dialed or how to handle the call when making a
call. For details, see 5.3 Dial Plan.
Value Range Max. 500 characters
Default Value Empty string
Web User Interface Reference Dial Plan (Page 106)
Document Version 2010.03.15 Administrator Guide 175
4.7.1 Call Control Settings