Outgoing Calls - AT&T SB67020 User Manual

Synapse SB67020 Deskset User's Guide

Outgoing Calls

No dial tone.
Probable Cause
Handset cord is plugged into
the wrong jack.
When you dial an outside number, you reach an extension instead.
Probable Cause
The extension prefix matches
the first digit of the outside
phone number you tried to
dial, and you don't have to
dial a digit before dialing
outside phone numbers.
You cannot make calls to an outside number.
Probable Cause
An outside phone number
cannot be accessed through
the Gateway.
Call Appearance mode
only—Your extension has a
trunk reservation for
outgoing calls, and all lines
and channels are being used
for active or incoming calls,
or are reserved for other
extensions.
Troubleshooting
Corrective Action
Ensure the handset cord is plugged into the

handset jack on the side of the Deskset. Do not
connect the handset cord to the corded headset
jack on the back of the Deskset.
Corrective Action
Consult your system administrator.

Corrective Action
Ensure that you enter a 9 or whatever digit, if any,

that must be dialed first for an outside call. For
example, 9-1-555-0123.
If you see All Phone Lines Busy on the Deskset

screen, try again later because all outside lines
may be in use.
Ensure that a Gateway is connected to the

network and that it resides on the same subnet
as the Deskset.
Wait for a channel or line to become available.

The system administrator can either remove the

reservations from some trunks or contact the
service provider to add more analog telephone
lines or T1 channels.
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