The communicator notifies the preset user by SMS message in case PSTN is unavailable, has been cut off or disconnected by PSTN provider. ET081 supports only outgoing calls. DTMF number dialing mode in alarm system must be enabled.
ET081 can detect temporary service suspension by the service provider for technical or billing reasons even if a dial tone is still present (optional feature).

System features:

• CONTACT ID through GSM line or GPRS
• Integrated GSM module
• Decoding the data sent from Alarm Control Panel via CONTACT ID protocol to user-understandable text and sending it via SMS message
• Indication of landline telephone breakdown
• Automatic GSM connection commutation in the case of landline telephone line

• simulates fixed telephone line and replaces it fully where landline is unavailable.
• can reroute call to Alarm Receiving Centre via GSM network when it detects a loss of voltage on the PSTN landline.

• parse Contact ID protocol and text SMS for up to 5 users
• parse Contact ID protocol can be transferred by GPRS to ELDES monitoring software EGR100
• can reroute call to Alarm Receiving Centre via GSM network when it detects a temporary suspension of service by the service provider (which may be for technical or billing reasons) even when a dial tone continues to be provided. (needs additional hardware)
• compatible with PBX