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Yealink SIP-T21 E2 Administrator's Guide

Yealink SIP-T21 E2
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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
242
lls_per_linekey
Details of Configuration Parameter:
Parameter
Permitted
Values
Default
phone_setting.call_appearance.calls_per_linekey
Integer from
0 to 24
0
Description:
Configures the maximum number of concurrent calls per line key for the IP phone. It applies
to all registered lines.
If it is set to 0, there is no limit for the number of concurrent calls.
Example:
phone_setting.call_appearance.calls_per_linekey = 2
It means that you can have up to two concurrent calls per line key on the IP phone.
Note: The value configured by the parameter
“account.X.phone_setting.call_appearance.calls_per_linekey” takes precedence over that
configured by this parameter. It is not applicable to SIP-T19(P) E2/CP860/CP920 IP phones.
Web User Interface:
None
Phone User Interface:
None
Per-Line Parameter:
“account.X.phone_setting.call_appearance.calls_per_linekey” is the per-line parameter of the
global parameter “phone_setting.call_appearance.calls_per_linekey”, and it takes precedence
over the global parameter.
X stands for the serial number of the account.
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
Call Display
Display contact photo allows the IP phone to present the contact avatar when it receives an
incoming call, dials an outgoing call or engages in a call. To use this feature, make sure that you
have uploaded the avatar for the contact in advance. For more information, refer to

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Yealink SIP-T21 E2 Specifications

General IconGeneral
BrandYealink
ModelSIP-T21 E2
CategoryIP Phone
LanguageEnglish

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