DTMF/FSK Compatibility: Supports versatile signaling formats.
Call History:
Incoming: Query up to 50 groups of 8-digit numbers.
Outgoing: Query up to 15 groups of 8-digit numbers.
Calling Functions: Pre-dial, cancel, and callback options.
Ringtone Options: Select ringtones and adjust volume.
Security Features: Anti-theft and do-not-disturb functions.
Real-Time Display: Shows call info and automatic timing.
Customization:
Select take-up time and 8-digit local/outbound codes.
Automatic IP speed dialing for quick access.
Brightness Adjustment: Manual display brightness control.
Internal Transfer: Enables calls to be transferred to extensions.
Durability: Anti-lightning and anti-electromagnetic interference protection.
