Administrator’s Guide for W80 DECT IP Multi-Cell System
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Description
It configures the Ethernet interface Maximum Transmission Unit (MTU) on the phones.
Permitted
Values
Integer from 1280 to 1500
Default
1500
[1]
If you change this parameter, the phone will reboot to make the change take effect.
SIP Settings Parameters
Parameter
account.X.custom_ua
[1]
<MAC>.cfg
Description
It configures the suffix of User-Agent in SIP request messages from the phone.
Permitted
Values
String within 128 characters
Default
Blank
Parameter
account.X.check_cseq.enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to check if the CSeq sequence number in the request is lower than
that in the previous request on the same dialog.
Permitted
Values
0
-Disabled
1
-Enabled. If the CSeq sequence number in the request is lower than that in the previous request, the
phone will reject the request.
Default
1
Parameter
account.X.check_to_tag.enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to check if the To-tag is carried in the To header in renewal request.
Permitted
Values
0
-Disabled
1
-Enabled. If the To-tag does not exist, the phone will reject the request.
Default
0
Parameter
sip.send_response_by_request
<y0000000000xx>.cfg
Description
It configures where the IP phone retrieves the destination address for response. The phone will then
send all SIP response messages to the destination address.
Permitted
Values
0
-from VIA header in the request message
1
-from source address of the request message
Default
1
Parameter
sip.requesturi.e164.addglobalprefix
<y0000000000xx>.cfg
Description
It enables or disables the phone to add a global prefix "+" to the E.164 user parts in SIP: URI.
Permitted
Values
0
-Disabled
1
-Enabled, the phone will automatically add a prefix "+" to the number in the E.164 format when you
dial using the SIP URI (for example
).
Default
0
Parameter
sip.mac_in_ua
<y0000000000xx>.cfg
Description
It enables or disables the phone to carry the MAC address information in the User-Agent header.