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Glossary

Specifications and Limits

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Last updated: 2026-10-26 11:04:23

AI-Translated

This document describes the prerequisites for using ISS, the usage limitations of each feature, and the supported regions.
Prerequisites
Before using ISS, you must meet the following prerequisites:
Log in to ISS with a Tencent Cloud account that has completed enterprise identity verification. If you have not registered a Tencent Cloud account, see Registering a Tencent Cloud Account. If you have not completed enterprise identity verification, see Enterprise Identity Verification Overview.
Before using the push streaming, stream playback, or image capture features, you must prepare your own domain that has completed ICP filing and configure the domain in the console.
Use Limits
Function
Description
Device Connection
A single account can access up to 5,000 devices by default, with no restriction on device type. If the current quota cannot meet your business needs, contact us.
Device Organization
A device organization supports up to 9 levels, with no limit on the number of organizations.
recording upload to cloud
A single account can create up to 500 recording plans and 100 recording templates. Cloud recording backfill supports only devices connected through the GB28181 protocol.
Cloud Recording Download
The maximum duration of a single recording download is 60 minutes. A single account and its sub-accounts can enable up to 20 concurrent download links by default, with a maximum total concurrent download bandwidth of 160 Mbps. If the current quota cannot meet your business needs, contact us.
Cloud recording retrieval
A single retrieval task can select up to 32 video channels, and the maximum time span of a single retrieval is 24 hours.
Alarm Event Query
All types of event information are retained for 30 days by default and automatically deleted upon expiration. You are advised to download event details to a local client for long-term storage.
Regions Where Features Are Supported
The following table lists the regions where each feature is currently supported. "Supported" means that the feature can be used in the corresponding region, and "—" means that it is not supported yet.
Function
Singapore
Bangkok
Device Connection
Supported
Supported
Live streaming
Supported
Supported
Domain name configuration
Supported
Supported
URL authentication configuration
Supported
Supported
recording upload to cloud
Supported
Supported
Cloud and local recording playback
Supported
Supported
Cloud and local recording download
Supported
Supported
Cloud recording retrieval
Supported
Supported
Video snapshot
Supported
Supported
Video watermark
Supported
Supported
Alarm Event Query
Supported
Supported
Event alarm notification
Supported
Supported
Visual understanding
Supported
Supported
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Specifications and Limits

Prerequisites

Use Limits

Regions Where Features Are Supported

Help and Support

Function	Description
Device Connection	A single account can access up to 5,000 devices by default, with no restriction on device type. If the current quota cannot meet your business needs, contact us.
Device Organization	A device organization supports up to 9 levels, with no limit on the number of organizations.
recording upload to cloud	A single account can create up to 500 recording plans and 100 recording templates. Cloud recording backfill supports only devices connected through the GB28181 protocol.
Cloud Recording Download	The maximum duration of a single recording download is 60 minutes. A single account and its sub-accounts can enable up to 20 concurrent download links by default, with a maximum total concurrent download bandwidth of 160 Mbps. If the current quota cannot meet your business needs, contact us.
Cloud recording retrieval	A single retrieval task can select up to 32 video channels, and the maximum time span of a single retrieval is 24 hours.
Alarm Event Query	All types of event information are retained for 30 days by default and automatically deleted upon expiration. You are advised to download event details to a local client for long-term storage.

Function	Singapore	Bangkok
Device Connection	Supported	Supported
Live streaming	Supported	Supported
Domain name configuration	Supported	Supported
URL authentication configuration	Supported	Supported
recording upload to cloud	Supported	Supported
Cloud and local recording playback	Supported	Supported
Cloud and local recording download	Supported	Supported
Cloud recording retrieval	Supported	Supported
Video snapshot	Supported	Supported
Video watermark	Supported	Supported
Alarm Event Query	Supported	Supported
Event alarm notification	Supported	Supported
Visual understanding	Supported	Supported