Yealink SIP-T54S Administrator's Manual page 847

The ring tone format must meet the following:
Phone Model
SIP-
T54S/T52S/T48S/T46S/T42S/T41
S/T27G
SIP-T48G/T46G/T29G
SIP-
T42G/T41P/T40P/T40G/T27P/T23
P/T23G/T21(P) E2/T19(P)
E2/CP860/CP920
The ring tone file must be PCMU audio format, mono channel, 8K sample rate and 16 bit
Note
resolution.
Procedure
Ring tones can be configured using the following methods.
Central
Provisioning
(Configuration File)
Format
.wav
.wav
.wav
Configure a ring tone for the IP phone.
Parameter:
phone_setting.ring_type
Specify the access URL of the custom ring
tone.
<y0000000000xx>.
cfg
Parameter:
ringtone.url
Delete all custom ring tone files.
Parameter:
ringtone.delete
Configure a ring tone for the SIP account.
Parameter:
account.X.ringtone.ring_type
<MAC>.cfg
Configure a ring tone for the PSTN
account.
Parameter:
pstn.account.X.ring_type
Configuring Audio Features
Single File Size
2MB of space should be
<=8MB
reserved for the phone
2.4MB of space should
<=8MB
be reserved for the
5KB of space should be
<=100KB
reserved for the phone
Note
phone)
821