Dialogic 6.2 Manuale Utente

Making Explicit Call Transfers (ECT) With E1 ISDN and BRI

November 2009

188

Explicit call transfer (ECT) with E1 ISDN transfers calls using 

either a single B-channel or two B-channels using switch resources 

in the central office or PBX. Explicit call transfer is only used with 

the Bfv API, and is available on ISDN PRI (E1) and ISDN BRI.

To configure using the 

Brooktrout Configuration Tool

 (Windows® only):

„

Set each port’s 

Protocol Options 

to 

E1 ISDN

 or 

BRI

.

„

Set your network’s 

Protocol

 to the appropriate protocol type, such 

as 

EURO

.

„

Set your network’s 

Switch Type

 to the appropriate switch type, set 

to 

Unknown/ITU conformant

.

„

Set the 

Transfer Variant

 to 

Explicit Call Transfer

.

„

Set the 

country_code

 in 

BTCall Parameters

, leave as the default 

0010

.

You must be in

 Advanced Mode 

in the 

Brooktrout Configuration 

Tool 

to configure 

BTCall Parameters

.

To configure using configuration files:

„

Set the port configuration using the callctrl.cfg configuration file:

port_config=E1_ISDN

„

Set the protocol using the callctrl.cfg configuration file:

protocol=EURO

„

Set the switch type using the callctrl.cfg configuration file, such 

as:

switch_type=unknown