AT&T SB67030 User Manual page 279

Symptom
The PSTN Trunk reservation
is not being honored.
I cannot make an outgoing
call on a system with
reserved trunks.
DDNs (Directory Dial
Numbers) do not dial out
properly from the Call Log.
Troubleshooting
Synapse SB67030 and Accessories User's Guide
Probable Cause
An incoming call may be
using that line. Parking calls
and forwarding calls on a
reserved trunk does not free
up the trunk.
All lines and channels are
being used for active or
incoming calls, or are
reserved for other
extensions.
This system does not support
DDN.
Corrective Action
Set up Trunk Routing to reserve the incoming path to the

"special" extension. On the administrator WebUI, click
System Settings, then Trunk Routing.
Forwarded call must end before the reserved trunk is

available.
If all trunks are reserved, extensions with trunk

reservations cannot make calls. The system administrator
can either remove the reservations from some trunks or
arrange for additional analog telephone lines or T1
channels.
DDNs in the Call Log are treated like all other caller ID

phone numbers.
279
Outgoing Calls