This guide will help you register your Mitel device with SIPTRUNK and configure it for outbound calling. The particular customer we worked with on this unit did not need inbound calling, so we have not tested the viability for that purpose. However, since this guide establishes registration for the device, SIPTRUNK should be able to deliver inbound calls. It is assumed this would just be a matter of configuring inbound routing and directing calls to the correct extensions.
1. On the "Configuration" menu, you must:
- Set the "Fully Qualified Domain Name" to "gw1.siptrunk.com".
- Your "Maximum Number of Calls" should match the Mitel SIP licensing structure on the unit you are configuring.
- Set the "User Peer Address in From Header" to "Yes".
2. From the "Registrar" menu, you must set:
- "Enable Registration" to "Yes".
- This guide uses the FQDN and not the IP, so you can leave the IP as "255.255.255.255".
- The port should be 5060, and the FQDN must be set to "gw1.siptrunk.com".
- All other settings were left on defaults.
3. On the "Authentication" menu, you must:
- Input your SIPTRUNK SIP trunk number as the "Out-bound Username".
- Your SIPTRUNK SIP trunk password as the "Out-bound Password."
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DO NOT enable "In-bound Authentication." SIPTRUNK does not support inbound call authentication.
- Make sure you set "Do not user Out-bound Username in REGISTER" to "No." Failure to do this will lead to the SIP trunk being "In-service" from the perspective of the Mitel device, but actually "Not Registered" in the SIPTRUNK portal.
4. This particular Mitel did not need additional NAT settings. Depending upon the ALG or B2BUA settings of your firewall (or SBC if you have one), you may or may not need further NAT settings.
NOTE: Refer to Interconnecting with SIPTRUNK for all gateway information and whitelisting requirements.
5. SIPTRUNK uses gw2.siptrunk.com, gw4.siptrunk.com, and gw5.siptrunk.com as additional gateways. Add these FQDNs to your "Alternate IP/FQDN List."
6. The "Route Sets" configuration only required two modifications from default. First, set the username to your SIPTRUNK SIP trunk number. Second, set the Hostname to "gw1.siptrunk.com".
7. The "Hostname" was also set to "gw1.siptrunk.com" in the "Route Sets" table.
8. This device was licensed for 4 SIP channels. Thus, we created 4 "SIP Trunks" in the Mitel device.
Refer to this article for Setting Up Outbound Calling dialing patterns and additional outbound configuration information. Additionally, see Setting Up Caller ID for compliance and additional info.
This should be all you need to get started making outbound calls with your Mitel system. Toggle the SIP trunk group to in-service and watch your logs. The trunk should become in-service with no errors.
If you have any questions or run into issues which this guide does not address, please open a ticket to contact the Support team at support@siptrunk.com. SIPTRUNK also recommends reviewing these Troubleshooting Guides for common issues.
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