• To anyone looking to acquire commercial radio programming software:

    Please do not make requests for copies of radio programming software which is sold (or was sold) by the manufacturer for any monetary value. All requests will be deleted and a forum infraction issued. Making a request such as this is attempting to engage in software piracy and this forum cannot be involved or associated with this activity. The same goes for any private transaction via Private Message. Even if you attempt to engage in this activity in PM's we will still enforce the forum rules. Your PM's are not private and the administration has the right to read them if there's a hint to criminal activity.

    If you are having trouble legally obtaining software please state so. We do not want any hurt feelings when your vague post is mistaken for a free request. It is YOUR responsibility to properly word your request.

    To obtain Motorola software see the Sticky in the Motorola forum.

    The various other vendors often permit their dealers to sell the software online (i.e., Kenwood). Please use Google or some other search engine to find a dealer that sells the software. Typically each series or individual radio requires its own software package. Often the Kenwood software is less than $100 so don't be a cheapskate; just purchase it.

    For M/A Com/Harris/GE, etc: there are two software packages that program all current and past radios. One package is for conventional programming and the other for trunked programming. The trunked package is in upwards of $2,500. The conventional package is more reasonable though is still several hundred dollars. The benefit is you do not need multiple versions for each radio (unlike Motorola).

    This is a large and very visible forum. We cannot jeopardize the ability to provide the RadioReference services by allowing this activity to occur. Please respect this.

Kenwood's DMR OVCM - Open Voice Channel Mode

Status
Not open for further replies.

RK3AAG

Member
Joined
Jun 25, 2011
Messages
392
Location
Russia
Ho it actually works? I've Googled and read the manual. But still have no ideas how it works and what I must get finally.

Open Voice Channel Mode

Open Voice Channel Mode (OVCM) allows you to configure whether to enable the capability to send a signal with OVCM applied, or to hear the conversation when the transceiver receives a signal with OVCM applied even if the IDs do not match.

Range:

Check (Enable):

Pressing the OVCM key, or selecting "OVCM" in Menu Mode enables or disables OVCM. The transceiver can transmit a signal with OVCM applied while OVCM is enabled.

When the transceiver receives a signal with OVCM applied, the user of the transceiver can hear the conversation even if the IDs do not match.

Uncheck (Disable):

Neither pressing the OVCM key, nor selecting "OVCM" in Menu Mode enables or disables OVCM. Therefore, the transceiver cannot transmit a signal with OVCM applied.

Even if the transceiver receives a signal with OVCM applied, the user of the transceiver cannot hear the conversation unless the IDs match.

Default:
Checked (Enabled)

Note:
This function can be configured for a transceiver having firmware version 2.00.00 or later.

And a few questions about:

- What is the right procedure to test it?
- What is the scenario to use it in real network?
- What IDs they are talking about? GID? UID?
- Is it proprietary feature of Kenwood? Motorola won't receive call with OVCM feature enabled even when matching CC & GID.

And FYI: DSD doen't show anything new in event log when I transmit OVCM.
 

otobmark

Member
Premium Subscriber
Joined
Mar 19, 2003
Messages
351
Location
NC
I noticed that too. In Moto the use of "ALL CALL" seems to serve same purpose. M all call everybody on the channel hears call. So, it looks like a Kenwood version of ALL CALL except the receiving radios can choose to receive the OVCM broadcast by having it enabled. Haven't tried it but I guess the ALL CALL ID works on kenwoods as well (16777210 ID).
 

mmckenna

I ♥ Ø
Joined
Jul 27, 2005
Messages
23,615
Location
Hiding in a coffee shop.
From the indepth manual:

Open Voice Channel Mode (OVCM) is the function to hear a conversation even if the received ID does not match when the transceiver receives various voice calls (individual call, group call, broadcast call).
When the use of OVCM is permitted for the transceiver receiving the various voice calls, the transceiver can hear the conversations even if the received ID does not match.
This function is used for transceivers other than the transceiver of the specified ID to participate in a conversation.
To use this function, Open Voice Channel Mode must be enabled by using KPG-166D/DN. Press the OVCM key to send out a signal that is applied with OVCM.

Configuration - Description
Enabled - Transmit Operation: Calls by OVCM can be enabled or disabled by pressing the OVCM key. The transceiver can transmit a signal with OVCM applied while calls by OVCM are in the enabled status
Enabled - Receive Operation: Conversations can be heard even if the ID does not match when the transceiver receives a call with OVCM applied.

Disabled - Transmit Operation: Calls by OVCM cannot be enabled or disabled by pressing the OVCM key. Therefore, the transceiver cannot transmit a signal with OVCM applied
Disabled - Receive Operation: Conversations cannot be heard if the ID does not match even when the transceiver receives a call with the OVCM applied.

Configuration using KPG-166D/DN
-Assign functions to the PF keys (Edit > Key Assignment)
-Configuring the Open Voice Channel Mode to be enabled or disabled (Edit > DMR > Conventional 1)
 

mmckenna

I ♥ Ø
Joined
Jul 27, 2005
Messages
23,615
Location
Hiding in a coffee shop.
And a few questions about:

- What is the right procedure to test it?

1. Set up Transceiver A to enable OVCM Mode and enable Call by OVCM.
2. Set up Transceiver B to disable OVCM Mode and disable Call by OVCM.
3. Set up Transceiver C to enable OVCM Mode and disable call by OVCM.
4. Set up Transceiver D to disable OVCM Mode and disable call by OVCM.

Send call direct from radio A to radio B, call should go through since radio ID's match.
Because OVCM is enabled, radio C can communicate with radio A even if the ID does not match.
Because OVCM is disabled and the ID does not match, radio D cannot communicate with radio A even if the ID does not match.


- What is the scenario to use it in real network?

Supervisor wanting to listen in on employees.
Sort of like opening tone squelch on a community repeater.

- What IDs they are talking about? GID? UID?

UID.

- Is it proprietary feature of Kenwood? Motorola won't receive call with OVCM feature enabled even when matching CC & GID.

I don't know. It's been a few years since I've touched a MotoTrbo radio. Wouldn't surprise me if it didn't work.
Not sure if this is a DMR standard or not.
 

otobmark

Member
Premium Subscriber
Joined
Mar 19, 2003
Messages
351
Location
NC
Of interest, when i tried to create an ALL CALL group ID with the mototrbo value (16777215) the KPG-D1N would not accept the value and substituted 16776415 instead. The Trbo radio all call opens squelch on Kenwood but so far the kenwood will not all call trbo radio. Kenwood does have a group id "ALL" but it didn't work on trbo radio. So, trbo XPR7550 can make all call to kenwood but not the reverse. This seems more buggy than by design.
 

otobmark

Member
Premium Subscriber
Joined
Mar 19, 2003
Messages
351
Location
NC
I don't know how to edit my last post. I believe that at least some of the time I got Kenwood to "all call" xpr. I'm leaving on trip so I'll have to get back to it later. ALL CALL is part of our local Auxcomm radio plan so I need to see if this can work reliably. My software is locked to my shop computer or I'd play with it some while gone.
 

RK3AAG

Member
Joined
Jun 25, 2011
Messages
392
Location
Russia
mmckenna

Thanks for info and help. But this info is not answering on all my questions and a bit conflicting. Example, you can't set your radio for OVCM. AFAIK, you only can turn it on by keypress. But not set it up via FPU. Even more, OVCM will disappear when scan run.

Anyway, I will do more tests soon.

otobmark

Please do NOT mix-up OVCM with All Call. These are 2 different things that absolutely not related. All Call can be send and received from Kenwood with no issues and it's compatible with Motorola. Looks like OVCM is proprietary Kenwood feature and will work between Kenwood radios only.
 

mmckenna

I ♥ Ø
Joined
Jul 27, 2005
Messages
23,615
Location
Hiding in a coffee shop.
mmckenna

Thanks for info and help. But this info is not answering on all my questions and a bit conflicting. Example, you can't set your radio for OVCM. AFAIK, you only can turn it on by keypress. But not set it up via FPU. Even more, OVCM will disappear when scan run.

Anyway, I will do more tests soon.

Got it. Yeah, I'm not running DMR on any of my radios, so that's all I can offer. That's out of the indepth manual from Kenwood.
Would be interesting if you can get this to work. It would seem that Kenwood would benefit from making sure these are 100% (or as close as possible) to be compatible with the Motorlas in non-trunked mode.
 

BG6WQG

Member
Joined
Jul 6, 2017
Messages
18
mmckenna

Thanks for info and help. But this info is not answering on all my questions and a bit conflicting. Example, you can't set your radio for OVCM. AFAIK, you only can turn it on by keypress. But not set it up via FPU. Even more, OVCM will disappear when scan run.

Anyway, I will do more tests soon.

otobmark

Please do NOT mix-up OVCM with All Call. These are 2 different things that absolutely not related. All Call can be send and received from Kenwood with no issues and it's compatible with Motorola. Looks like OVCM is proprietary Kenwood feature and will work between Kenwood radios only.

how to send "All Call" from kenwood to mototrbo ?
 

kd4efm

Member
Premium Subscriber
Joined
Jul 14, 2002
Messages
2,608
Location
Florida
Status
Not open for further replies.
Top