> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getsmartalex.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Mitel MiVoice Business

> Connect Mitel MiVoice Business (formerly MCD) to SmartAlex via SIP trunk.

<Info>
  **Audience**: Mitel MiVoice admin. **Time**: 20 to 30 minutes. **Releases**: MiVoice Business 9.x and later.
</Info>

## Prerequisites

* Mitel System Administration Tool access
* SIP trunk licences available
* Outbound UDP 5060 allowed
* PBX public IP or FQDN

## Step 1: create trunk in SmartAlex

SIP Trunk wizard, pick **Other**. Use digest authentication. Save credentials.

## Step 2: configure the network element on MiVoice

<Steps>
  <Step title="Add SIP peer profile">
    System Admin Tool, then SIP Peer Profile, then Add.

    * **SIP Peer Profile Label**: `SmartAlex`
    * **Address Type**: IP
    * **SIP Peer IP Address**: `sip.voice.getsmartalex.com`
    * **SIP Peer Port**: `5060`
    * **Transport**: UDP
  </Step>

  <Step title="Configure authentication">
    * **Authentication Username**: (from SmartAlex)
    * **Authentication Password**: (from SmartAlex)
    * **Registration**: Enabled
  </Step>

  <Step title="Codec settings">
    Enable G.711 Mu-law and A-law. Priority to match your region.

    Disable G.729 unless licensed.
  </Step>

  <Step title="Signalling options">
    * **DTMF**: RFC 2833 (Telephone Event)
    * **Refer Support**: Enabled (this is required for transfers)
    * **Session Timer**: 1800 seconds
  </Step>

  <Step title="Save and verify">
    Save profile. In SIP Peer Status, the peer should show **Registered**.
  </Step>
</Steps>

## Step 3: trunk group

Assign this SIP peer to a trunk group. Configure digit translation tables if needed for DID manipulation.

## Step 4: call routing

Add an inbound route: DID to the SmartAlex trunk group (for outbound leg). Alternative: use a SmartAlex-provisioned DID and skip this step.

## Step 5: extensions and agent

Populate SmartAlex. Link agent.

## Step 6: test

Dial. Transfer.

## Mitel-specific notes

* **MiVoice Business vs MiVoice Connect**: this guide covers MiVoice Business. MiVoice Connect (formerly ShoreTel) uses a different admin interface but the same SIP principles.
* **Mitel Border Gateway (MBG)**: if you terminate SIP on MBG, configure the peer on MBG's SIP Server configuration, then connect the internal PBX.
* **Clustered systems**: each node needs the SIP peer profile; cluster-level configuration replicates where applicable.
* **ARS (Automatic Route Selection)**: if you route outbound through ARS, ensure a route pattern matches SmartAlex for any outbound scenarios.

## Next steps

<CardGroup cols={2}>
  <Card title="Avaya IP Office" href="/telephony/avaya">
    Alternative enterprise PBX.
  </Card>

  <Card title="Troubleshooting" href="/telephony/troubleshooting">
    Error reference.
  </Card>
</CardGroup>