Grandstream Networks GXE502X - Manual (Page 10)

GXE502X User Manual 7/9/2008
10
Version 03
Default US Busy Tone: f1=480@-24,f2=620@-24,c=500/500)
Line Dialing Settings:
This feature adjusts line dialing properties to adhere to the
PSTN line requirements.
• DTMF Digit Length: The DTMF Digit Length is the play time of DTMF in milliseconds
for each digit dialing out from the VOIP side to PSTN
• DTMF Digit Volume: The digit output power in dBm.
• DTMF Dial Pause: Dial pause is the time between 2 digits when dialing out through the
PSTN.
• Wait for Dial-Tone: If set to Yes, the device will first obtain a PSTN line and wait for a
dial tone from the central office. After obtaining the dial tone, the digits dialed will be
sent to the central office.
• Minimum Delay Before Dial: This parameter lets users configure a variable delay
before dialing the first digit into the PSTN.
Caller ID Standard: This feature configures caller ID handling to match local PSTN
settings.
• Caller ID scheme: This feature lets you select the model used by local PSTN provider.
Please check with local PSTN carrier for configuration information. Current supporting
including: Bellcore, ETSI, DTMF or NTT
• FSK Caller ID Minimum RX Level: This is an adjustable threshold value for the Caller
ID signal strength received to help the device to recognize Caller ID from different
networks. (-96 -0dB. Default -40dB)
• FSK
Caller ID Seizure Bits: This field lets you choose a value of alternating bits (zeros
and ones) used for CID channel signaling. The Default is 200.
• FSK Caller ID Mark Bits: This feature lets you choose a value for the frequency
modulated signal of alternating bits (zeros and ones) used for synchronization. Default
150.