Grandstream Networks GXE502X user manual Version

GXE502X User Manual 7/9/2008

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.

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