Dialogic 2000 Series Instrukcja Użytkownika Pobierz pdf (Strona 22)

Dialogic Media Gateway

Configuration Note 22 of 32

Notes

We have found, especially in long haul situations, that allowing IC

to detect DTMF tones is more reliable than depending on the xIMG

to detect and relay in RFC2833 mode.

Setting Signaling Digit Relay Mode

Value Off

5.x Firmware Page

Gateway Advanced

6.x Firmware Page

VoIP -> Media

Notes

Per the xIMG online help, this should be set to Off in SIP mode

Setting Voice Activity Detection

Value Off

5.x Firmware Page

Gateway Advanced

6.x Firmware Page

VoIP -> Media

Notes

This causes choppy audio, and is not suitable for a messaging

application. Should ALWAYS be Off for MIC installations.

Setting G.711 Frame Size

Value 20

5.x Firmware Page

Gateway Advanced

6.x Firmware Page

VoIP -> Media

Notes

Set this to 20 so that it matches the default setting for xIC SIP

Lines.

Setting FaxCNG Tone #6

Value DELETE

5.x Firmware Page

Tones

6.x Firmware Page

Tone Detection

Notes

Defining this tone can preempt T.38 functionality. Delete this tone

definition to ensure T.38 is reliable.

Setting Call as Domain Name?

Value Yes

5.x Firmware Page

SIP

6.x Firmware Page

VoIP -> General

Notes

Required for Host and Domain Name value to be specified in the

FROM header of inbound calls.

Setting T1 Timer (ms)

Value 100

5.x Firmware Page

SIP

6.x Firmware Page

VoIP -> General

Notes

Shortening this timer allows for better handling of endpoint faults,

requiring the caller to hear less ringing.

Setting T2 Timer (ms)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 31 32

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