Introduction
10
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System capabilities
The unit can accomodate up to four external telephone lines, which are provided by a
telephone service provider, or up to two intercom calls.
The capabilities of the unit can be expanded by registering up to eight cordless handsets
at the base unit (page 25).
How many external calls and intercom calls can be conducted at one time?
The unit allows four simultaneous external calls with the base unit and three cordless
handsets, or with four cordless handsets
1
.
Two intercom calls can be conducted on four cordless handsets while the base unit
simultaneously makes an external call. For example, two pairs of cordless handsets can
be engaged in separate intercom calls while the base unit is engaged in an external call.
Up to three external calls can be conducted on cordless handsets or the base unit while a
fourth cordless handset simultaneously conducts an intercom call with the base unit or
another cordless handset. For example, the base unit and two cordless handsets can be
engaged in separate external calls while two other cordless handsets can conduct an
intercom call together.
In the above three cases:
L
All other cordless handsets are in the standby mode.
1.
The number of cordless handsets that can be used simultaneously will vary depending
on the availability of external and internal calls, and the usage of mailboxes.
SP-PHONE
1
2
3
4
5
6
7
8
9
0
ANSWER ON
E
N
SP-PHO
Ex.
External call
on line1.
External
call on
line2.
External
call on
line3.
External
call on
line4.
OR
SP-PHONE
1
2
3
4
5
6
7
8
9
0
ANSWER ON
E
N
SP-PHO
Intercom call 1
Intercom call 2
External call on
line 1, 2, 3, or 4.
Ex.
SP-PHONE
1
2
3
4
5
6
7
8
9
0
ANSWER ON
E
N
SP-PHO
External call
on line1.
Ex.
External
call on
line2.
External
call on
line3.
Intercom
call
