AudioCodes Mediant 1000B - Page 1166

User's Manual 1166 Document #: LTRT-27055
Mediant 1000B Gateway & E-SBC
Parameter Description
Q.931 Layer Response Behavior
configure voip > interface e1-t1|bri >
isdn-bits-ns-behavior
[ISDNIBehavior]
Bit-field used to determine several behavior options that
influence the behaviour of the Q.931 protocol.
 [0] = Disable (default).
 [1] NO STATUS ON UNKNOWN IE = Q.931 Status
message isn't sent if Q.931 received message contains an
unknown/unrecognized IE. By default, the Status message
is sent.
Note: This value is applicable only to ISDN 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 option is applicable only to ISDN 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 option is applicable only to ISDN variants where
a complete ASN1 decoding is performed on Facility IE.
 [128] SEND USER CONNECT ACK = The Connect ACK
message is sent in response to received Q.931 Connect;
otherwise, the Connect ACK is not sent.
Note: This option is applicable only to Euro ISDN User side
outgoing calls.
 [512] EXPLICIT INTERFACE ID = Enables configuration of
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: This option is 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