Mobile Technical Support

Our technical support teams are available 24/7 to meet your needs and answer your questions. Mitel's team of experts has deep technical knowledge ranging from testing within global operators’ network environments to troubleshooting network issues on the spot. Mitel offers the following support services - Trouble Ticket Support, Helpdesk 24 x 7, Emergency Service, Software Maintenance, System Upgrade Support and HW Repair and Replacement Service.

Technical Support for Mitel Mobile Systems:

Global Helpdesk
+1-877-248-7103 or +1-972-784-4112

EMEA Helpdesk
+44 (0) 121 5100 403

Asia-PAC Helpdesk
+61 280 148257

Access to legacy HEAT Ticketing system and to view tickets, click here.

Access to HEAT Ticketing system, click here.  

Access customer documentation portal, click here.

For user ID and password reset, please send an email to:

For all other inquiries, email us at