Version 7.2 1095 Mediant 1000B Gateway & E-SBC
User's Manual 62. Configuration Parameters Reference
Parameter Description
Sending Complete IE) is fully received (via Setup and/or
subsequent Info Q.931 messages). In other words, the device
waits until it has received all the ISDN signaling messages
containing parts of the called number, and only then it sends a SIP
INVITE with the entire called number in the Request-URI.
 [2] Through SIP = Interworking of ISDN Overlap Dialing to SIP
according to RFC 3578. The device sends the first received digits
from the ISDN Setup message to the IP side in the initial INVITE
message. For each subsequently received ISDN Info Q.931
message, the device sends the collected digits to the IP side in re-
INVITE messages.
 [3] Through SIP INFO =Interworking of ISDN Overlap Dialing to
SIP according to RFC 3578. The device sends the first received
digits from the ISDN Setup message to the IP side in the initial
INVITE message. For each subsequently received ISDN Info
Q.931 message, the device sends the collected digits to the IP
side in INFO messages.
Note:
 When option [2] or [3] is configured, you can define the minimum
number of overlap digits to collect before sending the first SIP
message for routing the call, using the
MinOverlapDigitsForRouting parameter.

When option [2] or [3] is configured, even if SIP 4xx responses are
received during this ISDN overlap receiving, the device does not
release the call.
 The MaxDigits parameter can be used to limit the length of the
collected number for ISDN overlap dialing (if Sending Complete is
not received).
 If a digit map pattern is defined (using the DigitMapping or
DialPlanIndex parameters), the device collects digits until a match
is found (e.g., for closed numbering schemes) or until a timer
expires (e.g., for open numbering schemes). If a match is found
(or the timer expires), the digit collection process is terminated
even if Sending Complete is not received.
 For enabling ISDN overlap dialing for IP-to-Tel calls, use the
ISDNTxOverlap parameter.
 The x in the ini file parameter name denotes the trunk number,
where 0 is Trunk 1.
 For more information on ISDN overlap dialing, see ''ISDN Overlap
Dialing'' on page 461.
ovrlp-rcving-type
[ISDNRxOverlap]
Same as the description for parameter ISDNRxOverlap_x, but for all
trunks.
Mute DTMF In Overlap
configure voip > gateway
dtmf-supp-service supp-
service-settings > mute-dtmf-
in-overlap
[MuteDTMFInOverlap]
Enables the muting of in-band DTMF detection until the device
receives the complete destination number from the ISDN (for Tel-to-
IP calls). In other words, the device does not accept DTMF digits
received in the voice stream from the PSTN, but only accepts digits
from ISDN Info messages.
 [0] Don't Mute (default).
 [1] Mute DTMF in Overlap Dialing = The device ignores in-band
DTMF digits received during ISDN overlap dialing (disables the
DTMF in-band detector).
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