Administrator’s Guide for SIP-T58V/T58A/T56A/CP960 IP Phones
242
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
[1]
<MAC>.cfg
Description
It enables or disables the phone to use inactive outgoing hold signaling.
Note
: It works only if “sip.rfc2543_hold" is set to 0 (Disabled). It is not applicable to CP960 phones.
Permitted
Values
0
-Disabled, SDP media direction attribute “a=sendonly” is used when placing a call on hold.
1
-Enabled, SDP media direction attribute “a=inactive” is used when placing a call on hold. RTP packets
will not be sent or received.
Default
0
Parameter
features.play_hold_tone.enable
<y0000000000xx>.cfg
Description
It enables or disables the phone to play the call hold tone when you place a call on hold.
Permitted
Values
0
-Disabled
1
-Enabled
Default
1
Web UI
Features->General Information->Play Hold Tone
Parameter
features.play_hold_tone.delay
<y0000000000xx>.cfg
Description
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 call
on hold.
Note
: It works only if “features.play_hold_tone.enable” is set to 1 (Enabled).
Permitted
Values
Integer from 3 to 3600
Default
30
Web UI
Features->General Information->Play Hold Tone Delay
[1]
X is the account ID. For T58V/T58A/T56A, X=1-16; for CP960, X=1.
Music on Hold (MoH) Configuration
When a call is placed on hold, the phone will send an INVITE message to the specified MoH server account according
to the SIP URI. The MoH server account automatically responds to the INVITE message and immediately plays audio
from some source located anywhere (LAN, Internet) to the held party. For more information, refer to draft RFC
.
The following table lists the parameters you can use to configure music on hold.
Parameter
account.X.music_server_uri
[1]
<MAC>.cfg
Description
It configures the address of the Music On Hold server. The URI points to a Music On Hold (MoH) server.
Examples for valid values: <10.1.3.165>, 10.1.3.165, sip:[email protected], <sip:[email protected]>, <yealink.-
com> or yealink.com.
Note
: The DNS query in this parameter only supports A query.
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