User Manual

OSMAC BaseOSMAC Base User Manual
Page 11
3.4 Receiving Telephone Calls at the Two-Way radio
The OSMAC BaseOSMAC Base can also be used to route telephone calls from the telephone line to two-way-radios. To initiate
a phone call from the telephone interface:
1. Dial the phone number of the telephone line connected to the OSMAC BaseOSMAC Base.
2. The will display "Phone Ringing" when the ring signal is detected and wait for the number of rings
programmed in the Configuration Menu.
3. The OSMAC BaseOSMAC Base will answer the phone in a manner determined by the settings of the "Remote Paging" and
"Call Forwarding" modes as set in the Configuration Menu. The display will read "Phone in Use."
Remote Paging Call Forwarding OSMAC BaseOSMAC Base Operation When Called
Enabled Enabled
• Phone answered with a "Enter Pager Number" prompt.
• User may press * 5 to request a phone patch and send
"ringing" tones to the two-way-radio users.
• User may enter the number of a pager to be paged and a
numeric message.
Enabled Disabled
• Phone answered with a "Enter Pager Number" prompt.
• "Error" tones are generated if the user presses * 5 .
• User may enter the number of a pager to be paged and a
numeric message.
Disabled Enabled
• Phone answered with "ringing" tones which are also sent
to the two-way-radio users to request a phone patch.
Disabled Disabled
• The phone line is not answered
4. The telephone user must enter *5 to request a "reverse autopatch" phone call if "Remote Paging" is
enabled.
5. If "Call Forwarding" is enabled and the telephone line rings, the OSMAC BaseOSMAC Base will transmit a simulated ring
signal over the air. To answer the call, a mobile user must press the * key to take the telephone line off-
hook. To hangup the call, either the phone or mobile user must press the # key.
6. Once the called party answers, the phone VOX circuit takes over. When the phone user speaks, the OSMAC OSMAC
BaseBase transmits his or her voice.
7. A periodic ticking sound will be heard by the mobile user as the OSMAC BaseOSMAC Base briefly switches to receive
mode to determine whether the mobile user wishes to interrupt the conversation and has begun
transmitting.
8. If neither party is talking, a single beep will be heard periodically to remind the mobile user that the phone
patch is still in operation.
9. A timeout timer exists in order to shut down the phone patch automatically in the event that the mobile user
goes out of range or has a battery outage. The length of the timer is set in the Configuration Menu.
Warning beeps or a voice message will be sent a few seconds before the timeout timer expires and the
phone call is terminated. The mobile user or phone user must press * to reset the timeout timer and
continue the phone call.
10. End the conversation from the two-way radio or phone by pressing the # key. A high, then low beep
sequence or a voice message should be heard to confirm the disconnect.