|
•
Transmission & Acoustic Measurements
|
Receiving, Sending and
Side-Tone sensitivities and frequency responses (see table below) in
the frequency range 200÷4000Hz.
|
| •
Dial & Keypad Testing |
•
Pulse & Flash key
•
DTMF |
| •
Calling Testing |
•
Ringer generation
•
Sound
level measurement, using PH18 Sound level meter. |
| •
Insulation & DC Measurements |
• Insulation
up to 250Vdc
• V(I) measurements on-hook or off-hook
• I(t) measurements for transient evaluation |
| •
Switching |
• switch-hook
test
• other switch sequences |
| •
Network Tones
|
• network
tones generator
• DTMF generator |
| •
Caller Identifier
|
• FSK-V23
caller identifier generator
• DTMF caller identifier generator
• on-hook & off-hook operations |
| •
Short Messages |
• Submits
and Delivers Short Messages from/to telephone under test (ETSI ES 201
912 -protocol 1 and 2). |
