User guide
50
Inactive.
TEL NO: This field can be used as a reference remark for this line.
Normally, you can put the connected PSTN line’s phone number here
for reference.
Polarity Reversal Detection: When enable the Polarity Reversal
call was established for FXO outgoing call and start to count talking
time for Billing purpose. When disable the polarity Reversal Detection,
Dialing Answer Delay Time” command to set
time (seconds) to start billing time once SIP call was established.
Current Drop for disconnect: Use Line current drop as a disconnect
supervision to release FXO port. When remote PSTN side user drop call,
the local PSTN switch send Current drop signal to FXO port to recognize
this situation.
Incoming call handling: The call handling policy for a FXO incoming
call.
Hot line TEL: When a PSTN Line incoming call was detected
and after the FXO Answer this call based on Ring Count
hot line TEL number through the Route Plan.
2 Stage Dialing: When a PSTN Line incoming call was
detected and after the FXO Answer this call based on Ring
either Dial Tone or Voice Greeting file to PSTN side. And wait
for PSTN side user to dial number to send to IP SIP Trunk or
FXS ports.
Playback voice file: To enable playing voice greeting file or not.
(Used for FXO port Only)
Repeat Count: Repeat how many counts to Play voice greeting file.
(Used for FXO port with 2-Stage Dialing Only )
Voice file name (MuLaw-mono 8K): Specify the file path and file
name to upload. Please make sure that the file format needs to be
G.711U, 8K, 8 bits raw file. (Used for FXO port Only)
Flash Time: Flash Time will be sent to PSTN line.
FAX Relay: Enable T.38 Fax Relay or T.30 Fax Bypass or not.
(T.30 Fax Bypass only supports G711a law)
Input(Encode)Gain: Adjust the volume from PSTN to IP side (default
is 0 dB)
Output(Decode)Gain: Adjust the volume from IP side to PSTN
(default is 0 dB)
Dialing Answer Delay Time (sec): When the polarity reversal
between VoIP and FXO) after time out to start Billing count purpose.
Trunk to enable the voice path for VOIP side.
Detection feature, Dynamix 2522 uses the polarity reversal signal once
Dynamix 2522 uses “
configuration, DW 2522 sends SIP call to the specified
Count configuration, DW 2522 answers this call and play
detection is disabled, Dynamix 2522 answer the call (establish call
After the DTMF digits dialing, Dynamix 2522 send 183 with SDP to SIP