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Yealink SIP-T41S Administrator's Guide

Yealink SIP-T41S
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Account Settings
304
DNSTTL on the registered server expires, the phone will retry to send requests to the primary server.
2-Registration: the phone will send requests to the last registered server first. If the registration
expires, the phone will retry to send requests to the primary server.
3-duration: the phone will send requests to the last registered server first. If the time defined by the
“account.X.sip_server.Y.failback_timeout” parameter expires, the phone will retry to send requests to
the primary server.
Default
0
Parameter
account.X.sip_server.Y.failback_timeout
[1][2]
<MAC>.cfg
Description
It configures the timeout (in seconds) for the phone to retry to send requests to the primary server after
failing over to the current working server.
If you set the parameter to 0, the 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.
Note: It works only if “account.X.sip_server.Y.failback_mode” is set to 3 (duration).
Permitted
Values
0, Integer from 60 to 65535
Default
3600
Parameter
account.X.sip_server.Y.failback_subscribe.enable
[1][2]
<MAC>.cfg
Description
It enables or disables the phone to retry to re-subscribe after registering to the secondary server with
different IP addresses when encountering a failover.
Note: It works only if "account.X.sip_server.Y.failback_mode" is set to 1, 2 or 3.
Permitted
Values
0-Disabled
1-Enabled, the phone will immediately re-subscribe to the secondary server, for ensuring the normal
use of the features associated with the subscription (for example, BLF, SCA).
Default
0
Parameter
account.X.outbound_proxy.Y.register_on_enable
[1][2]
<MAC>.cfg
Description
It enables or disables the phone to register to the secondary outbound proxy server before sending
requests to it when encountering a failover.
Permitted
Values
0-Disabled, the phone will not attempt to register to the secondary outbound proxy server, since the
phone assumes that the primary and secondary outbound proxy servers share registration inform-
ation. So the phone will directly send the requests to the secondary outbound proxy server.
1-Enabled, the phone will register to the secondary outbound proxy server first, and then send the
requests to it.
Default -1, the phone will invoke “account.X.sip_server.Y.register_on_enable to take effect.
Parameter
account.X.outbound_proxy.Y.retry_counts
[1][2]
<MAC>.cfg
Description
It configures the retry times for the phone to resend requests when the outbound proxy server Y is
unavailable or there is no response from the outbound proxy server Y.
The phone moves to the next available outbound proxy server after three failed attempts.
Permitted
Values
Integer from 0 to 20
Default -1, the phone will invoke “account.X.sip_server.Y.retry_counts” to take effect.
Parameter
account.X.outbound_proxy.Y.only_signal_with_registered
[1][2]
<MAC>.cfg

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Yealink SIP-T41S Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Keypad illuminationYes
Wi-FiNo
Networking standardsIEEE 802.3af
Ethernet LAN data rates10, 100 Mbit/s
Ethernet LAN interface typeFast Ethernet
Supported network protocolsSIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume controlDigital
Number of programmable keys6
Lines quantity6 lines
Phonebook capacity1000 entries
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Input frequency50/60 Hz
AC adapter input voltage100 - 240 V
AC adapter output current1.2 A
AC adapter output voltage5 V
Display diagonal2.7 \
Display resolution192 x 64 pixels
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Voice codecsCNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
CertificationCE
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth189 mm
Width212 mm
Height175 mm
Package depth223 mm
Package width246 mm
Package height120 mm

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