Yealink SIP-T5 Series Administrator's Manual page 532

Values 1-Enabled
Default
0
Parameter sip.unreg_with_socket_close
It enables or disables the phone to close the socket immediately when the user deregisters the cor-
Description
responding account(s).
Permitted
0-Disabled
1-Enabled
Values
Default 0
Parameter account.X.check_cseq.enable
It enables or disables the phone to check if the CSeq sequence number in the request is lower than
Description
that in the previous request on the same dialog.
0-Disabled
Permitted
1-Enabled. If the CSeq sequence number in the request is lower than that in the previous request, the
Values
phone will reject the request.
Default 1
Parameter account.X.check_to_tag.enable
Description It enables or disables the phone to check if the To-tag is carried in the To header in renewal request.
0-Disabled
Permitted
Values
1-Enabled. If the To-tag does not exist, the phone will reject the request.
Default 0
Parameter features.call_invite_format
Description It configures the format of callee field in the INVITE message.
0-sip:XXX
Permitted
Values
1-tel:Number, you need to set "account.X.outbound_proxy_enable" to 1.
Default 0
Parameter sip.escape_characters.enable
Description It enables or disables the phone to convert ASCII code into corresponding symbol.
Permitted
0-Disabled
Values 1-Enabled
Default 1
Target characters: %5F (escape character % plus the ASCII characters 5F)
1. If you want to convert the ASCII code, set the following:
sip.escape_characters.enable = 1
sip.reserve_characters = %NULL%
Case Scen-
ario
Result: The target characters %5F are converted to _.
2. If you do not want to convert the ASCII code, set the following:
sip.escape_characters.enable = 0
sip.reserve_characters = %
<y0000000000xx>.cfg
[1]
<MAC>.cfg
[1]
<MAC>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
Configuration Parameters
529