# Configure Second-Generation Video Intercoms
Intercoms allow organizations to enhance security and answer calls from anywhere with sharp video, clear audio, 6 smart receiver methods and intuitive management and security tools in Verkada Command.
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[Add the intercom serial number](/command/organization-settings/add-a-device-to-your-command-organization.md) to Command to begin setup.
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***
## Configuration
### Add the serial number to Command
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[**Add the intercom serial number to Command**](/intercom/configuration/add-an-intercom-to-your-site.md)**.**
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**Once you add the serial number and activate the intercom, a new tab opens, showing the intercom video feed. At the top left of your webpage, a menu displays the setup checklist. We recommend to follow the** [**setup checklist**](/intercom/configuration/configure-a-td52.md)**.**
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#### General
**Change device name**
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**From the setup checklist, click Change device name to open the Settings page.**
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**With the Settings page open, select the current name to change the default name.**
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#### Door
**Configure a Door**
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**Navigate to Intercom Settings > Door**
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**Click Add a door**
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**Select the appropriate door mode**
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The TD63 only supports keypad unlocks in two configurations:
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**When the door mode is set to Directly to the intercom.**
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**When the door mode is set to Paired to a Verkada door.**
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The intercom's RS485 output must also be hardwired to the paired Verkada access controller.
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See [**Intercom Reader Settings**](/intercom/configuration/intercom-reader-settings.md) for more information on reader configuration.
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**I/O**
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**Navigate to Intercom Settings > I/O**
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**For each input and output, click the drop-down and select the appropriate option.**
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| | | |
| ------------ | ---------------- | -------------------------------------------------------------------------------------------------------------------------- |
| **I/O Type** | **Option** | **Behavior** |
| **Input** | Call Trigger | Triggers a call when circuit is closed |
| **Input** | DPI | Monitors state of the door (open or closed) |
| **Input** | REX | Unlock door without presenting credential |
| **Output** | Unlock | Relay contacts close or open (depending on fail safe or fail secure door) when prompted by receiver or accepted credential |
| **Output** | Chime | Relay contacts close upon button press and open when call is answered |
| **Output** | Call in Progress | Relay contacts remain closed for duration of call |
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The TD33 only has 2 inputs and 1 output.
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**Unlock**
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The Unlock configuration menu only appears if the door mode is set to **Directly to the Intercom** or **To a Third-Party Access Controller.** If the intercom is paired to a Verkada Access Controller, configure these options in the Access controller settings.
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**Navigate to Intercom Settings > I/O > Unlock.**
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| | |
| ----------------- | --------------------------------------------------------------------------------- |
| **Option** | **Definition** |
| **Unlock Time** | The duration of an unlock, this applies to badging and receiver unlocks |
| **Unlock Sound** | Toggle the unlock tone that is played from the intercom speaker |
| **Remote Unlock** | Users with appropriate access level can unlock the door from Command and Pass app |
#### Pair a camera
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**Navigate to Intercom Settings > Pairing**
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**Select Add Camera**
Once cameras have been added, they will appear on the **Live** page of your intercom.
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#### Audio
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**Navigate to Intercom Settings > Audio.**
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**Use the sliders to adjust Call Volume, System Volume, and Microphone Volume.**
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**Use the Continuous Audio toggle to enable/disable audio recording outside of calls.**
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#### Call
**Configure receivers**
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**Navigate to your Intercom > Receivers tab.**
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**See** [**Add and Configure Receivers in Intercom**](/intercom/configuration/add-and-configure-receivers-in-intercom.md) **to configure receivers per intercom.**
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**See** [**Create and Use Shared Call Flows**](/intercom/configuration/add-and-configure-receivers-in-intercom/create-and-use-shared-call-flows.md) **to configure receivers in bulk.**
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**For other Call Settings, reference the following table:**
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**Other Call Settings**
| | |
| --------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Option** | **Definition** |
| Press Intercom button again to end call | Toggle whether a button press cancels an active call |
| Allow Talkdown to interrupt active call | Toggle whether a talkdown (receiver initiated call) can end and interrupt another active call |
| Maximum call duration | **(non-mutable)** call duration cannot exceed 5 minutes |
| Dial key to accept call | **(non-mutable)** for POTS and SIP receivers, # and \* keys are used to accept incoming intercom calls |
| Dial key to unlock door | **(non-mutable)** for POTS and SIP receivers, any number 0-9 will unlock the door |
| Intercom phone number | **(non-mutable)** for POTS receivers, incoming calls from Verkada Intercoms will come from (661) 902-0560, consider saving this number in your contacts. |
**SIP Account**
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**Navigate to Intercom Settings > Call > SIP Account.**
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**Follow the instructions in** [**this document**](/intercom/configuration/integrate-verkada-intercoms-with-sip.md) **to configure your SIP account.**
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#### Video
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**Navigate to Intercom Settings > Video.**
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**Use the following table as a reference when configuring video settings:**
| | |
| ------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Option** | **Definition** |
| Orientation | Rotate camera feed in Command in increments of 90 degrees. |
| Low Bandwidth Mode | Disable HQ video, Timelapse, and Cloud Backup to reduce bandwidth consumption. |
| Timelapse | Enable time lapses for historical video. |
| RTSP | RTSP enables users to stream Verkada camera feeds into a third-party VMS. See [Low-Latency RTSP Streaming](/verkada-cameras/video-streaming-and-sharing/live-streaming/low-latency-rtsp-streaming.md) for configuration instructions. |
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#### Backup
Cloud backup enables the continuous saving of intercom footage in the cloud (in addition to local storage).
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**Navigate to Intercom Settings > Backup.**
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**See** [**Cloud Backup**](/verkada-cameras/video-streaming-and-sharing/view-historical-footage/cloud-backup.md) **for configuration details.**
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#### Messages
Automated Messages play when the device is offline, when there is an active lockdown, or when the receiver list is exhausted. See [Upload Audio Messages to Intercom](/intercom/configuration/configure-live-translation-for-intercom-calls/upload-audio-messages-to-intercom.md) for more information.
#### Troubleshooting
Users can initiate a test call to verify intercom functionality.
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**Navigate to Intercom Settings > Troubleshooting.**
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**Click Select a Receiver to pick which receiver you will use for the test call.**
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**Click Initiate Test Call.**
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