Isdn (Pri) Calling Party Number - Call Type; Dialing Numbers On Isdn (Pri); Caller Id Restriction Override; Transit Network Selection On Isdn (Pri) - Inter-Tel EncoreCX Installation And Maintenance Manual

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Inter-Tel EncoreCX
Installation & Maintenance Manual

ISDN (PRI) Calling Party Number - Call Type

The Calling Party number is the number dialed to contact the EncoreCX extension. They are supplied as DID
numbers on PRI (ISDN) lines.
These numbers can be associated with extensions in the DID/DNIS table.
These numbers are used to allow DID calls to be routed directly to extensions. They are also used to provide the
Calling Party number to the network in the call setup message when the extension makes a call.
It is recommended that these numbers be entered with the full 10-digit number.
The first entry in the table associated with the ex tension is used as the calling party number and is sent as
"National number in the ISDN numbering plan".
If no number is associated with the extension or less than 10 digits are programmed, no calling party information
is sent.
NOTE: There may be occasions when the network does not want the calling party number to be supplied. This is
done by not entering any number in the DID/DNIS table or entering numbers of less than 10 digits.

Dialing numbers on ISDN (PRI)

All numbers are dialed on PRI using enbloc mode only. When dialing from an EXC1000 or ECX 2000 telephone
the user can dial the line access code (9, 760 -769) without going off hook and when the digits are entered press
the 'Send Digits' key. The number is then immediately sent to the network. Similarly, if a number is programmed
on one of the programmable keys the digits are sent to line as soon as the key is pressed. Numbers selected from
the sped dial lists or using the redial or saved number stores are also dialed immediately.
If you go off hook on an ECX 1000 or ECX 2000 phone and dial a line access code or if a line is selected by
pressing a Line key, the number is dialed immediately if # is pressed. If #is not pressed, the number is dialed 4
seconds after the last digit is dialed.
From an ECX 100 or standard analog phone, the digits are sent when # is dialed. If #is not dialed, the digits are
sent to line 4 seconds after the last digit is dialed.

Caller ID restriction override

When the "Number Privacy Override by Number Delivery Subscriber" parameter is set on a PRI, the Telephone
Company will deliver the digits of the Calling Party Number or Redirected Number to the called party as if the
number were a "Presentation allowed" number, even though the Privacy Indicator of that number is marked and
delivered as "Presentation prohibited". To cater for this the switch always uses the calling party number if the
digits are present in the Calling Party IE no matter what the Privacy indicator is set to.

Transit Network selection on ISDN (PRI)

The switch supports "Transit Network selection" on ISDN calls to alternate carriers using CIC codes (Carrier
Identification Codes) or Pick Codes (1010XXX) preceding the dialed number. The code for AT&T is 1010288.
The Transit network IE is provided in the setup message. The first three digits are removed (101) and the last 4
digits are sent in the transit network selection IE as the network identification. This is (0288) in the case of
AT&T. Call Type A1 proceeds both the Called Number and Transit Number in the setup message for Long
Distance. For International calls using CIC the CIC is preceded by A1 (National Number) and the Called Number
by 91(International numb er). For Local Calls the Called Number is preceded with C1 (Local number) and Transit
Number is A1 (National number).

Release complete

If the RELEASE COMP is received immediately from the network after the user transmits a Setup, the call is
released and busy tone presented.
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