AudioCodes Mediant 2000 User Manual page 322

Parameter
Web/EMS: Q.931 Layer
Response Behavior
[ISDNIBehavior]
SIP User's Manual
Bit-field used to determine several behavior options that influence
the behaviour of the Q.931 protocol. To select the options, click the
arrow button, and then for each required option, select 1 to enable.
The default is 0 (i.e., disable).

[1] NO STATUS ON UNKNOWN IE = Q.931 Status message
isn't sent if Q.931 received message contains an
unknown/unrecognized IE(s). By default, the Status message is
sent.
Note: This value is applicable only to PRI variants in which
sending of Status message is optional.

[2] NO STATUS ON INV OP IE = Q.931 Status message isn't
sent if an optional IE with invalid content is received. By default,
the Status message is sent.
Note: This value is applicable only to PRI variants in which
sending of Status message is optional.

[4] ACCEPT UNKNOWN FAC IE = Accepts
unknown/unrecognized Facility IE. Otherwise, the Q.931
message that contains the unknown Facility IE is rejected
(default).
Note: This value is applicable only to PRI variants where a
complete ASN1 decoding is performed on Facility IE.

[128] SEND USER CONNECT ACK = Connect ACK message
is sent in response to received Q.931 Connect; otherwise, the
Connect ACK is not sent (default).
Note: This value is applicable only to Euro ISDN User side
outgoing calls.

[512] EXPLICIT INTERFACE ID = Enables to configure T1
NFAS Interface ID (refer to the parameter
ISDNNFASInterfaceID_x).
Note: This value is applicable only to 4/5ESS, DMS, NI-2 and
HKT variants.

[2048] ALWAYS EXPLICIT = Always set the Channel
Identification IE to explicit Interface ID, even if the B-channel is
on the same trunk as the D-channel.
Note: This value is applicable only to 4/5ESS, DMS and NI-2
variants.

[32768] ACCEPT MU LAW =Mu-Law is also accepted in ETSI.

[65536] EXPLICIT PRES SCREENING = The calling party
number (octet 3a) is always present even when presentation
and screening are at their default.
Note: Applicable only to ETSI, NI-2, and 5ESS.

[131072] STATUS INCOMPATIBLE STATE = Clears the call on
receipt of Q.931 Status with incompatible state. Otherwise, no
action is taken (default).

[262144] STATUS ERROR CAUSE = Clear call on receipt of
STATUS according to cause value.

[524288] ACCEPT A LAW =A-Law is also accepted in 5ESS.

[2097152] RESTART INDICATION = Upon receipt of a
RESTART message, acEV_PSTN_RESTART_CONFIRM is
generated.

[4194304] FORCED RESTART = On data link (re)initialization,
send RESTART if there is no call.
322
Description
Document #: LTRT-68809
Mediant 2000