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ALE M3-M5-M7-M8 DeskPhones Administrator Guide
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10.17.1 Call Hold Configuration
The following table lists the parameters you can use to configure Call Hold.
Parameter
SIPRfc2543HoldEnable
config.xml
Description
It enables or disables the IP phone to use RFC 2543 (c=0.0.0.0) outgoing hold signaling.
Permitted
Values
False - SDP media direction attributes (such as a=sendonly) per RFC 3264 is used when
placing a call on hold.
True - SDP media connection address c=0.0.0.0 per RFC 2543 is used when placing a
call on hold.
Default
false
Web UI
Features
→
SIP
→
RFC2543 Hold Enable
Parameter
AudioCHoldTone
config.xml
Description
It configures the tone for the IP phone to play the initial call hold tone.
Permitted
Values
LIST[NUMERIC[-60,*],8,74]
Default
0;4;-1;200;420;335;-37;-37;-1;200;0;0;0;0;-1;200;420;335;-37;-37;-1;5000;0;0;0;0
Parameter
FeatureHoldUseInactiveEnable
config.xml
Description
It enables or disables the phone to inactive outgoing hold signaling.
Permitted
Values
false - disable
true - enable
Default
false
Parameter
FeaturePlayHoldToneEnable
config.xml
Description
It enables or disables the IP phone to play the call hold tone when you place a call on
hold.
Permitted
Values
false - disable
true - enable
Default
true
Parameter
FeaturePlayHoldToneDelay
config.xml
Description
It configures the time (in seconds) to wait for the IP phone to play the initial call hold tone.
If it is set to 30 (30s), the IP phone will wait 30 seconds to play the initial call hold tone
after you place a call on hold.
Note:
It works only if “FeaturePlayHoldToneEnable” is set to true (Enabled).
Permitted
Values
Integer from 3 to 3600
Default
30
Parameter
FeaturePlayHoldToneInterval
config.xml
Description
It configures the time (in seconds) between subsequent call hold tones.
If it is set to 3 (3s) and “FeaturePlayHoldToneDelay” is set to 30 (30s), the IP 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.