Technical information

Troubleshooting and Repair
99
"External Busy" on
Sx200 Set calling
3300
IP network unreach-
able
Use "PING" or
"TRACEROUTE" to
check the IP network
routing.
IP nodes or MN3300s
must be able to PING
each other. Ask your
IP network Adminis-
trator to solve all IP
routing related issues
Exceed MAX calls
Check Form 48, MAX
Calls, If this field is
empty. It means allow
0 calls to this remote
node.
Exceed Concurrent
calls on selected
Route
Check Form 23, Con-
current Calls, If this
field is empty. It
means allow 0 calls
using this route.
Incorrect IP node
Number or IP address
IP trunks use IP
addresses to find call
route destinations. In
both the local and
remote IP node, the
remote IP node IP
address must match
the IP node number
specified in Form 48
and the Form 23 sub
form . On MN3300 the
PBX number is the IP
node number on
SX-200.
Incorrect program-
ming of Form 22:
Modified Digit Table
Check Form 22 and
delete or add the dig-
its as required for the
specific route number
identified in Form 23
Table 15: SX-200 IP Node Troubleshooting Table (continued)
Indication Possible Causes Action
(Sheet 3 of 6)