Sony PCS-TL50 Operating Instructions Manual page 253

Message
Connection using SIP is not available. Line
is busy.
Transferring via a line interface other than
SIP is not available.
The operation is not available as some line is
in the hold mode.
Router is not supported.
Confirm the router's port settings.
Authentication error. Check that the
password is correct.
Authentication error. Check that the ID is
correct.
The dialed party does not exist. Check that
the number is correct.
The call request has timed out.
The remote party is unable to connect.
Cannot connect because the line is busy.
The connection was canceled by the remote
party.
Connection failed.
4xx response received.
5xx response received.
The connection was canceled by the remote
party.
6xx response received.
Cannot connect using IPELA VC Link
under the current settings.
Cannot connect using SIP under the current
settings.
Router is not supported. (No M-SEARCH
response)
Router is not supported. (Service
unavailable)
Router is not supported. (Failed to obtain
WAN IP address)
Meaning
Connection using SIP cannot be made as the
remote party has been connected to another.
You cannot transfer a call to the remote parties
connected via an ISDN or IP.
You can resume the call or disconnect the line only
in the hold mode.
Make sure that you are using a router that is
supported and that the router settings are correct.
Check the router settings.
Check the password.
Check the ID.
Check the remote party's settings.
Cannot connect due to a problem with the network
or the remote party not answering within a specific
time.
Check the remote party's settings.
Cannot connect because the remote party's line is
busy.
Cannot connect because the remote party cancelled
a call to the local site.
Check the communication settings.
Cannot connect due to reasons such as the remote
party using media not supported by the unit.
Cannot connect due to reasons such as a server
error. Check the SIP server.
Cannot connect because the call was rejected by the
remote party.
Cannot connect due to reasons such as the remote
party not being found. Confirm the remote party's
number and settings.
Check the IPELA VC Link settings.
Check the SIP settings.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
Make sure that you are using a router that is
supported and that the router settings are correct.
On Screen Messages
253