Table of Parameters
3.2
50
Call Handover workaround
Function No.: 703
This parameter offers a workaround to prevent problems during call handover
into the 1900 MHz (or 1800 MHz) band, caused by non-conforming
configurations of the 1900 MHz (or 1800 MHz) GSM network.
Setting options:
-Disable (0) - Disable workaround.
-Enable (1) - Enable workaround. Select only when
handover into a 1800/1900MHz band fails.
Default setting:
Disable
GPRS APN
Function No.: -
GPRS APN (Access Point Name) for automatic setting.
Setting options:
0-40 characters
Default setting:
blank
Wireless Network selection
Function No.: -
For UMTS gateways only. You can specify network technology to be used.
Setting options:
- UMTS & GSM - automatic selection, UMTS preferred
- UMTS only
- GSM only
Default setting:
UMTS & GSM
AMR Enable
Function No.: -
You can disable AMR (Adaptive Multi Rate) on GSM module to improve voice
quality in some GSM networks.
Setting options:
- Enable
- Disable
Default setting:
Enable
Call transfer in virtual GSM PBX
Function No.: -
This is cliental function and it depends on GSM network support. Parameters are
common for FXO and FXS interface.
Function modifies behavior during established voice call to GSM network. After
FLASH detection during the call gateway place the call on hold. You can hear dial
tone on the telephone line and the gateway is waiting for dialing. Dialed number
is send to GSM together with service prefix filled in the next parameter. Call
transfer is finished after on-hook detection on the telephone line. You can return
to first call by FLASH, the second call will terminate. If you delay before the
second number dialing, you will return to the first call too. For this function is
network support needed.
Setting options:
- Enable
- Disable
Default setting:
Disable
FLASH emulation by DTMF
Function No.: -
On the FXS interface you can generate FLASH by short loop disconnection. On
FXO interface it is necessary to emulate FLASH by DTMF dialing of
character.
If enabled, the FLASH emulation works on FXS interface too. Emulation is active
only if the call transfer function is active.
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