Scalability

The following table summarizes the maximum number of participants, duration, and file size supported in Mitel One Meetings.

Maximum number of participants supported in a meeting	100
Maximum number of video participants supported in a meeting	16
Maximum duration of a meeting	20 hours
Maximum recording storage per user	5 GB
Maximum file size supported per participant in a meeting	10 MB

The following table summarizes the maximum number of Mitel One users, and the maximum number of simultaneous calls supported on the MiVoice 400 PBX.

Testing Environment	Minimum Releases	MiVoice Office 400	CloudLink Gateway	Maximum Mitel One Users	Maximum Simultaneous Call (Direct Switching)	Maximum Simultaneous Call (Indirect Switching)
SMBC - Internal CloudLink Gateway	6.3 or later	SMBC	Embedded in SMBC	50	25 Mitel One to Mitel One 50 Mitel One to Internal 50 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)	15 Mitel One to Mitel One 15 Mitel One to Internal 15 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)
Mitel 470 - External CloudLink Gateway		Physical Mitel 470	CloudLink Gateway	300	25 Mitel One to Mitel One 50 Mitel One to Internal 50 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)	25 Mitel One to Mitel One 50 Mitel One to Internal 50 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)
Virtual Appliance - Virtualized CloudLink Gateway		Virtual Appliance	OVA	300	Default appliance with 1 core CPU and 2GB RAM 25 Mitel One to Mitel One 50 Mitel One to Internal 50 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)	Default appliance with 1 core CPU and 2GB RAM 25 Mitel One to Mitel One 50 Mitel One to Internal 50 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)
Virtual Appliance - Virtualized CloudLink Gateway		Virtual Appliance	OVA	300	Large appliance with 8 core CPU and 4GB RAM 125 Mitel One to Mitel One 125 Mitel One to Internal 125 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM) Note: 125 simultaneous calls are supported only if the appliance is upgraded to OVA version 1.1.3 or later.	Large appliance with 8 core CPU and 4GB RAM 125 Mitel One to Mitel One 125 Mitel One to Internal 125 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM) Note: 125 simultaneous calls are supported only if the appliance is upgraded to OVA version 1.1.3 or later.
MSL	7.0 HF2 or later	Virtual Appliance/MSL	OVA/MSL	300	Default appliance with 1 core CPU and 2GB RAM 25 Mitel One to Mitel One 50 Mitel One to Internal 50 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM) Large appliance with 8 core CPU and 4GB RAM 125 Mitel One to Mitel One 125 Mitel One to Internal 125 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)	Default appliance with 1 core CPU and 2GB RAM 25 Mitel One to Mitel One 50 Mitel One to Internal 50 Mitel One to PSTN 16 Mitel One to Mitel One 12 Mitel One to Mitel One Large appliance with 8 core CPU and 4GB RAM 125 Mitel One to Mitel One 125 Mitel One to Internal 125 Mitel One to PSTN 16 Mitel One to Mitel One (GSM) 12 Mitel One (GSM) to Mitel One (GSM)

Note: The maximum values mentioned in the table are subject to available bandwidth. For information regarding the best practices recommended for CloudLink site deployments, see Best Practices for Site Deployments.

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