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Yealink SIP-T48G Administrator's Guide

Yealink SIP-T48G
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Administrators Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
574
Parameters
Permitted Values
Default
the phone will retry to send requests to the primary server.
X ranges from 1 to 16 (for SIP-T48G/T46G/T29G)
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860)
Web User Interface:
None
Phone User Interface:
None
account.X.sip_server.Y.failback_timeout
(X ranges from 1 to 16, Y ranges from 1 to 2)
0, Integer from 60
to 65535
3600
Description:
Configures the time (in seconds) for the phone to retry to send requests to the
primary server after failing over to the current working server for account X.
If you set the parameter to 0, the IP phone will not send requests to the primary
server until a failover event occurs with the current working server.
If you set the parameter between 1 and 59, the timeout will be 60 seconds.
X ranges from 1 to 16 (for SIP-T48G/T46G/T29G)
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860)
Note: It works only if the value of the parameter
account.X.sip_server.Y.failback_mode is set to 3 (duration).
Web User Interface:
None
Phone User Interface:
None
To configure server redundancy for fallback purpose via web user interface:
1. Click on Account->Register.
2. Select the desired account from the pull-down list of Account.

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Yealink SIP-T48G Specifications

General IconGeneral
Expansion module supportYes
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Volume control-
Display diagonal7 \
Display resolution800 x 480 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts6
AC adapter input voltage100 - 240 V
Number of handles included1 pc(s)
Weight and Dimensions IconWeight and Dimensions
Width266 mm
Height185 mm

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