Call Hold Configuration - Yealink SIP-T5 Series Administrator's Manual

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Call Hold Configuration

Music on Hold (MoH) Configuration
Call Hold Configuration
The following table lists the parameters you can use to configure call hold.
Parameter sip.rfc2543_hold
Description It enables or disables the phone to use RFC 2543 (c=0.0.0.0) outgoing hold signaling.
0-Disabled, SDP media direction attributes (such as a=sendonly) per RFC 3264 is used when placing
a call on hold.
Permitted
Values
1-Enabled, SDP media connection address c=0.0.0.0 per RFC 2543 is used when placing a call on
hold.
Default 0
Web UI Features > General Information > RFC 2543 Hold
Parameter account.X.hold_use_inactive
It enables or disables the phone to use inactive outgoing hold signaling.
Description
Note: It works only if "sip.rfc2543_hold" is set to 0 (Disabled).
0-Disabled, SDP media direction attribute "a=sendonly" is used when placing a call on hold.
Permitted
1-Enabled, SDP media direction attribute "a=inactive" is used when placing a call on hold. RTP pack-
Values
ets will not be sent or received.
Default 0
Parameter features.play_hold_tone.enable
Description It enables or disables the phone to play the call hold tone when you place a call on hold.
Permitted 0-Disabled
1-Enabled
Values
Default 1
Web UI Features > General Information > Play Hold Tone
Parameter features.play_hold_tone.delay
It configures the time (in seconds) to wait for the phone to play the initial call hold tone.
If it is set to 30 (30s), the phone will wait 30 seconds to play the initial call hold tone after you place a
Description
call on hold.
Note: It works only if "features.play_hold_tone.enable" is set to 1 (Enabled).
Permitted
Integer from 3 to 3600
Values
Default 30
Web UI Features > General Information > Play Hold Tone Delay
Parameter features.play_hold_tone.interval
It configures the time (in seconds) between subsequent call hold tones.
Description
If it is set to 3 (3s) and "features.play_hold_tone.delay" is set to 30 (30s), the phone will begin to play a
hold tone after you place a call on hold for 30 seconds, and repeat the call hold tone every 3 seconds.
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