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Features & Operation

Answering Calls (Regular Mode)

When visitor presses the Call button on intercom, the 
telephone connected to the OTIU will ring distinctively 
up to four times. If an expandable OTIU system is used 
all phones within the system will ring. When phone is 
answered it will connect to the Intercom at gate or door. 
After connecting to the Intercom, the gate can be 
activated by dialing “*9”.
To activate the primary gate operator dial “*9” on the 
phone connected to the OTIU.

Learn LED

Power LED

Antenna

Phone

Line

AC Adapter

Caller ID

When there is a visitor at the gate the OTIU will display 
“Gate Visitor” on a Caller ID telephone (or Caller ID box) 
that is directly connected to it.
When there is a visitor at the door, the OTIU will display 
“Front Door” or “Back Door” depending on how you have 
your door Intercom set up (see Intercom manual).
If someone is tampering with the gate, the OTIU will ring 
the phone and display “!Gate Tamper!”.

Call Waiting

If talking on the phone connected to OTIU, a distinctive 
beep will be heard indicating Call Waiting. Caller ID will 
alert that there is a visitor. To place call on hold and 
connect to the Intercom, press the FLASH button.
If talking on phone other than the one connected to the 
OTIU, the telephone connected to the OTIU will ring as 
normal and the call will not be interrupted.

Change Number of Rings

By default the OTIU will ring the telephone 4 times. If an 
answering machine is programmed to pick up after 4 
rings, OTIU should be changed to ring 3 times. This will 
prevent answering machine from picking up if phone is 
not answered when a visitor calls. If answering machine 
does pick up, visitor will hear answering machine 
message through speaker.
Using the telephone connected to OTIU, dial :**102 for 
2 rings up through “**105” for 5 rings.

Call Forwarding

If user is away from home the OTIU can be programmed 
to call when there is a visitor. When visitor presses Call 
button the OTIU will ring home telephone 1 time. If 
telephone is not answered, the OTIU will dial call-
forwarding number that has been programmed. After 
ringing that number 3 times the OTIU will hang up. If 
visitor presses Call button again the process will repeat.

Programming Call Forwarding Number

On telephone connected to OTIU, dial “*#”. A beep will 
be heard.
Enter the forwarding number (up to 14 digits). To accept 
new number, press “#”. A beep will be heard.

NOTE:

 For long distance calls, include proper prefix.

Verifying Call Forwarding Number

On telephone connected to OTIU, dial “**06”. A beep will 
be heard. Hang up the telephone.
The telephone will ring and the call forwarding number 
that has been programmed will be displayed on Caller 
ID screen.

Enable/Disable Call Forwarding

To enable call forwarding dial “**01” on telephone 
connected to OTIU. A beep will be heard.
To disable call forwarding dial “**02” on telephone 
connected to OTIU. A beep will be heard.

Remote Activation Through Answering 
Machine

Gate can be remotely activated through the answering 
machine. Call home and when answering machine picks 
up, dial “*9”. The OTIU will then activate the gate.

NOTE:

 Any features of the OTIU do not require extra 

service from the Telephone Company.

Answering Calls (Call Forwarding Mode)

When answering call from OTIU, a beep will be heard 
for up to 10 seconds. To accept call, dial “0”.
Hang up to disconnect.
To control the gate dial “*9”.

NOTE:

 OTIU checks if home line is busy prior to dialing 

forwarding number. If busy, the OTIU will wait and try 
again. Once OTIU dials forwarding number, if forwarding 
number is busy, the OTIU will wait and try again.

Summary of Contents for OTIU

Page 1: ...uction Plug in antenna Plug in the AC Adapter The Power LED will light Plug the included phone cord in the LINE port and connect it to the phone jack in the wall Plug the cord from the phone in the PHONE port AC Adapter Antenna The Indoor Telephone Interface uses a 900 Mhz secure digital radio link that allows secure conversations and gate operator control The Telephone Interface Unit OTIU is comp...

Page 2: ...ror tone is heard it means that memory will have to be cleared see Troubleshooting Step 3 Within 15 seconds press and release the Learn button on the DAILM Step 4 The OTIU will ring the telephone and Caller ID will display Unit Learned Step 1 On the phone connected to the OTIU press 07 after hearing the dial tone Hang up and Learn LED will flash for 15 seconds If an error tone is heard it means th...

Page 3: ...machine message through speaker Using the telephone connected to OTIU dial 102 for 2 rings up through 105 for 5 rings Call Forwarding If user is away from home the OTIU can be programmed to call when there is a visitor When visitor presses Call button the OTIU will ring home telephone 1 time If telephone is not answered the OTIU will dial call forwarding number that has been programmed After ringi...

Page 4: ...seconds When dialing numbers a dial tone is heard All numbers and symbols must be dialed within 3 seconds of each other otherwise the OTIU times out and returns to dial tone OTIU is not getting expected transmission range When used in buildings with stucco or cement walls the range is greatly reduced The Repeaters can be used close to the building to solve this problem Keep OTIU away from trees me...

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