AudioCodes Mediant 1000 User Manual page 1086

Parameter
B-channel Negotiation
configure voip > interface e1-t1|bri >
b-ch-negotiation
[BchannelNegotiation]
ISDN Flexible Behavior Parameters
ISDN protocol is implemented in different switches/PBXs by different vendors. Several
implementations may vary slightly from the specification. Therefore, to provide a flexible interface that
supports these ISDN variants, the ISDN behavior parameters can be used.
Incoming Calls Behavior
configure voip > interface e1-t1|bri >
isdn-bits-incoming-calls-behavior
[ISDNInCallsBehavior]
User's Manual
equipment is not ISDN.
Defines the ISDN B-channel negotiation mode.

[0] Preferred

[1] Exclusive (default)

[2] Any
Note:

For some ISDN variants, when 'Any' (2) is selected, the
Setup message excludes the Channel Identification IE.

The Any' (2) option is applicable only if the following
conditions are met:

The parameter TerminationSide is set to 0 ('User side').

The PSTN protocol type (ProtocolType) is configured
as Euro ISDN.
Determines the bit-field used to determine several behavior
options that influence how the ISDN Stack INCOMING calls
behave.

[32] DATA CONN RS = The device automatically sends a
Q.931 Connect (answer) message on incoming Tel calls
(Q.931 Setup).

[64] VOICE CONN RS = The device sends a Connect
(answer) message on incoming Tel calls.

[2048] CHAN ID IN FIRST RS = (Default) The device sends
Channel ID in the first response to an incoming Q.931 Call
Setup message. Otherwise, the Channel ID is sent only if
the device requires changing the proposed Channel ID.

[4096] USER SETUP ACK = The Setup Ack message is
sent by the SIP Gateway application layer and not
automatically by the PSTN stack. By default, this bit is set.

[8192] CHAN ID IN CALL PROC = The device sends
Channel ID in a Q.931 Call Proceeding message.

[65536] PROGR IND IN SETUP ACK = The device
includes Progress Indicator (PI=8) in Setup Ack message if
an empty called number is received in an incoming Setup
message. This option is applicable to the overlap dialing
mode. The device also plays a dial tone (for
TimeForDialTone) until the next called number digits are
received. By default, this bit is set.

[2147483648] USER SCREEN INDICATOR = When the
device receives two Calling Number IE's in the Setup
message, the device, by default, uses only one of the
numbers according to the following:

Network provided, Network provided - the first calling
number is used

Network provided, User provided: the first one is used

User provided, Network provided: the second one is
used

User provided, user provided: the first one is used
1086
Mediant 1000B Gateway & E-SBC
Description
Document #: LTRT-27045