Digital Trunk Connection Status; Checking Physical Connection And Clock Synchronization - Davolink DV-332 User Manual

include PIV in the Proceeding msg
L2 re-establish after L1 recoverd
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GW/CONFIG/ISDN>
Operation Mode (opmode)
choose it between NET and USER mode. You should cooperate with PBX or PSTN central office
switches. For instance, VoIP gateway should configure it as NET mode if PBX is set up as USER mode.
If this mode does not fit properly, you cannot make calls although E1 line is connected and the
status is normal.
Dialing Mode in O/G Call SETUP (dmode)
You can choose it between overlap and enbloc.
Dial tone send in seizure (dsend)
GW plays a dial tone to collect digits or not.
Ringback tone send in alert (rsend)
plays ringback tone or not. You need to check PBX configuration because there are also dial and
ringback tone options in PBX.
wait second INFO timer (sit)
value is 3 seconds. Thus, next digit should come within 3 seconds in order to send a call properly.
wait last INFO timer (lit)
L2 re-establish after L1 recoverd (l2rest)
of reasons, GW will constantly re-establish LAPD connection after L1 recovered when this field is
enabled.

6.4 Digital Trunk connection status

6.4.1 Checking physical connection and clock synchronization

These are most fundamental things to check when setting up digital trunks. They should be
physically connected and synchronized. You can check them as follows.
DV-332 Analog/Digital User Guide
(ppiv)
(l2rest) : ON
: This field defines operation mode of ISDN PRI interfaces. You can
: Dialing mode defines the method to send dialed digits
: When a channel is seizured in PRI line, this field selects whether
: After receiving alerting message, this field defines whether GW
: This field defines the a waiting time between two digits. Default
: This field defines a waiting time after dialing.
: If a LAPD connection in ISDN PRI is lost for various kinds
: OFF
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