User guide

Dynamix DW-E
56
voice quality. Set to 12 will have long voice delay but with better voice
quality
• EC Tail Length: Echo Cancellation Length, default value is 32ms
• Silence Compress: Enable silence compress or not
• TDM Bus Clock: TDM Bus clock source
o Internal: derived from internal oscillator
o External: derived from external PSTN E1/T1 clock
• Detect Fax Mode: T.38 fax detecting method
o Answering Fax only: Detect answer tone to initiate T.38
o Fast Fax Detect: Detect calling and answer tone for T.38. Use
Answering fax only when fast fax detect miss detect a fax call.
• Auto Clock: Automatic detect trunk clock source. It is recommended to
specify clock source.
• Local Reference: TDM bus reference clock. Please set to a connected
trunk.
• Overlap Digit: Enable Q.931 overlapping sending or not.
• DTMF Interval: Wait overlap digits time out
• CAS Send Restart: When channel is blocked, send restart or not.
• Reset Trunk When Link Up: When trunk is started, restart channels or
not.
Dial Plan Configuration
Dial Plan can be used to assign the ISDN number plan based on prefix
setting.
Start Path: Configuration>Interface>Dial Plan
Basic Parameter Description:
• Prefix: Called party number prefix
• Src Num Plan: ISDN Source number plan
• Src Num Type: ISDN Source number type
• Dest Num Plan: ISDN destination number plan
• Dest Num Type: ISDN destination number type
• Apply To: Trunks apply to
Overlap Configuration
T1/E1 Trunk Configuration
Start Path: Configuration>Interface>Trunk