The Bearer Capabilities are part of the Q.931 SETUP messages and define the characteristics of a call. The Bearer Capability parameter used by the calling party specifies the b channel that is being requested. The Bearer Capabilities Override pane will configure the IMG 2020 to either pass-through (ignore) the bearer capability or modify it to a pre-selected parameter from drop down menu.
Web GUI Page
Dialogic > IMG 2020 > Signaling > ISDN > ISDN D Channel > ISDN Group > New Bearer Capability Override
Maximum Objects
1 Bearer Capabilities Override object per ISDN BDN Group
Related Topics and Dependencies
Field Descriptions
Coding Standard
Ignore (default) - Propagate the Coding Standard to the Outbound SETUP message.
CCITT (ITU-T) - Change the Coding Standard to CCITT in the Outbound SETUP message.
ISO/IEC Standard - Change the Coding Standard to ISO/IEC in the Outbound SETUP message.
National standard - Change the Coding Standard to National Standard in the Outbound SETUP message.
Standard for Network side of interface - Change the Coding Standard to Standard for Network Side of Interface in the Outbound SETUP message.
Information Transfer Capability
To set the Information Transfer Capability the Coding Standard field must first be configured to a value other than Ignore.
Ignore (default) - Propagate the Informational Transfer Capability to the Outbound SETUP message.
Speech - Change the Information Transfer Capability to Speech in the Outbound SETUP Message
Unrestricted Digital Info - Change the Information Transfer Capability to Unrestricted Digital Info in the Outbound SETUP Message
Restricted Digital Info - Change the Information Transfer Capability to Restricted Digital Info in the Outbound SETUP Message
3.1 kHz audio - Change the Information Transfer Capability to 3.1 KHz audio in the Outbound SETUP Message
7 khz - Change the Information Transfer Capability to 7 KHz audio in the Outbound SETUP Message
Video - Change the Information Transfer Capability to Video in the Outbound SETUP Message
Transfer Mode
Ignore (default)- Propagate the Transfer Mode to the Outbound SETUP message
Circuit Mode - Change the Transfer Mode in the Outbound Setup message to Circuit Mode
Packet Mode - Change the Transfer Mode in the Outbound Setup message to Packet Mode
User Information layer 1 protocol
Ignore (default) - Propagate layer 1 protocol to the Outbound SETUP Message
G.711 u-law - Change the layer 1 protocol to G.711 u-law in the Outbound SETUP Message
G.711 A-law - Change the layer 1 protocol to G.711 A-law
G.721 - Change the layer 1 protocol to G.721 in the Outbound SETUP Message
H.221 and 242 - Change the layer 1 protocol to H.221 and H.242 in the Outbound SETUP Message
H.223 and 245 - Change the layer 1 protocol to H.223 and H.245 in the Outbound SETUP Message