Specifications

Appendix
293
tone every 30 seconds when there is a hold
call on the IP phone.
Note: It works only if the parameter
“features.play_hold_tone.enable” is set to 1
(Enabled).
Format
Integer
Default Value
30
Range
Not Applicable
Example
features.play_hold_tone.delay = 30
Parameter-
sip.rfc2543_hold
Configuration File
<y0000000000xx>.cfg
Description
Configures whether RFC 2543 (c=0.0.0.0)
outgoing hold signaling is used.
If set to 0 (Disabled), use SDP media direction
attributes (such as a=sendonly) per RFC 3264
when placing a call on hold.
If set to 0 (Enabled), use SDP media
connection address c=0.0.0.0 per RFC 2543
when placing a call on hold.
Format
Boolean
Default Value
0
Range
0-Disabled
1-Enabled
Example
sip.rfc2543_hold = 0
Call Forward
Call Forward Mode
Parameter-
features.fwd_mode
Configuration File
<y0000000000xx>.cfg
Description
Configures the call forward mode for the IP
phone.
If set to 0 (Phone), call forward feature is
effective for the IP phone.
If set to 1 (Custom), you can configure call