The IS-2048 security video intercom system CR-703D integrates the building video intercom system with the home telephone system to meet the market demands for personalization and building management. The CR-703D allows users to use indoor telephones as extensions to make calls and open doors in the intercom system. It also has an automatic dialing feature that can transfer the intercom signal to mobile phones or landlines for calls and door opening.
This manual describes how to configure up to three telephone numbers for the CR-703D, enable or cancel automatic call forwarding, and operate the intercom using a household phone. Detailed key sequences for entering setting mode, storing numbers, and confirming entries are provided.
Installation instructions cover mounting the unit, wiring connections, and adjusting the JP1 coding to match indoor units. LED indicators show the status of automatic call forwarding, and the system’s behavior during calls is explained. This manual is written in Chinese.
| Maximum stored phone numbers | 3 |
|---|---|
| Automatic call‑forward activation code | 8# |