Yealink SIP-T4X Administrator's Manual page 468

Administrator's Guide for SIP-T4X IP Phones
features.play_hold_tone.delay =
sip.rfc2543_hold =
#Hotline
features.hotline_number =
features.hotline_delay =
#Web Server Type
wui.http_enable =
network.port.http =
wui.https_enable =
network.port.https =
#DTMF Suppression
features.dtmf.hide =
features.dtmf.hide_delay =
Call Forward
#
# In Phone Mode
features.fwd_mode = 0
forward.always.enable =
forward.always.target =
forward.always.on_code =
forward.always.off_code =
forward.busy.enable =
forward.busy.target =
forward.busy.on_code =
forward.busy.off_code =
forward.no_answer.enable =
forward.no_answer.target =
forward.no_answer.timeout =
forward.no_answer.on_code =
forward.no_answer.off_code =
# In Custom Mode
features.fwd_mode = 1
account.1.always_fwd.enable =
account.1.always_fwd.target =
account.1.always_fwd.on_code =
account.1.busy_fwd.off_code =
account.1.busy_fwd.enable =
account.1.busy_fwd.target =
account.1.busy_fwd.on_code =
account.1.busy_fwd.off_code =
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