Instruction manual

System Testing and Verification
11.
12.
If the line failed both incoming call Test 1 and Test 2, perform Test 3 to determine if
the calling party hears a busy tone when the line is busy:
(1).
Place a call from station B to station A on the BRI line failing both tests.
Station A does not ring on this line.
—
You hear ringback at Station B.
(2). Place a call on this line from station A to station B.
(3).
Allow the call to ring at station B.
(4), Place a call to this line from station C to station A.
—
You hear a busy tone on station C.
If not, write “n” in the “Incoming Call Test 3” column and write “no
busy tone when line is busy” and the type of tone you hear at station
C in the “Comments” column of the planning form.
Repeat steps 8 and 9 for all other BRI lines on station A. If the line fails Test 1, repeat
step 10. If a line fails both Test 1 and Test 2, repeat step 11.
Test two active calls on a DSL. (This test is valid only if outgoing calls can be
placed from both lines of a DSL.)
a.
b.
c.
d.
e.
f.
Place a call from line 1 on station A to station B. Answer the call at station B.
Press Hold to put the call on local hold.
—
The green LED on station A is fluttering.
Place a call on line 2 on station A to station C. Answer the call at station C.
If the test fails, write “n” in the “2 Active Calls” column of the planning form.
Hang upon station A to disconnect the call.
Retrieve the first call on station A by selecting the button and lifting the receiver.
—
The green LED for the first call is steadily lit.
—
The green LED for the second call is off.
Hang up at all stations.
a. Repeat this test for all other BRI lines on station A.
Basic Rate Interface (BRI) Provisioning Guide 21