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Teledex IP250D User’s Guide SIP/MGCP Part Number 600-0480-6015
USING THE IP250D
• When a line is inactive, the corresponding LED is off.
• When a line is ringing, the corresponding LED flashes quickly for two seconds
with each audible ring and turns off in between rings. This flashing pattern is used
even when the ring is not audible.
• When an user is initiating a call, or conducting a conversation on a particular line,
the corresponding LED is illuminated continuously.
• When a line is on hold, the corresponding LED flashes slowly.
The IP250D software gives notification of a second incoming call regardless of whether
the user is initiating a call, conducting a conversation, receiving another call, or on hold
on the first line. In the descriptions below of scenarios for the second incoming call, the
descriptions of line 1 and line 2 can be interchanged freely except where otherwise noted.
• If the user is initiating a call on line 1 when the second call arrives, the LED for
line 2 will also begin flashing, and the call information for the incoming call will
be shown on the display. The second call may be received by pressing on the
LINE 2 key, by hanging up the handset and picking it up again, or by pressing the
SPKR/HSET key once to hang up, and once again to pick up if using the speaker
phone or headset. To continue initiating the original call, simply continue dialing.
The display will change back to the dialing screen for each subsequent key
pressed.
• If the user is conducting a conversation on line 1 when a call arrives on line 2,
a half-second tone will sound on the receiver of the speaking device (handset,
speakerphone, or headset), the LED for line 2 will begin flashing, and the call
information for the incoming call is shown on the display. If the user begins
pressing keypad buttons for DTMF signaling, the display will change to the
DTMF signaling screen, then change back to the incoming call screen after six
seconds. To receive the second call, either press the LINE 2 key, which will auto
matically place the line 1 call on hold, or press HOLD and then the LINE 2 key.
Otherwise, the phone will produce a half-second tone on the receiver of the
speaking device every twelve seconds until the calling party on line 2 hangs up or
the incoming call is sent to the voicemail server. The incoming call may not be
forwarded directly to voicemail.
• If one call arrives, and then another call arrives before the user can receive the
first call, the ringer will ring as usual, but both the LEDs for lines 1 and 2 will
flash. In addition, the display will alternate every six seconds between the infor
mation for the call on line 1 and the information for the call on line 2. To answer
the call on line 2 first, press the LINE 2 key to place the call on speakerphone and
then pick up the handset if you so desire.