Overview
The Vodavi DTMF4-A is a DTMF (Dual Tone Multi-Frequency) expansion card designed for use in Vodavi telephone systems. This card provides Dual Tone Multi-Frequency signaling and detection capabilities, enabling tone-based control and communication features in voice systems. The DTMF4-A integrates directly into supported Vodavi KSU (Key System Unit) platforms and supports multiple channels for simultaneous tone detection.
Key Features
- Provides DTMF tone detection and signaling for telephone systems
- Compatible with Vodavi XTS and STS series KSU platforms
- Installs on PRIB, T1IB, LCOBE, LCOBC, SLIBE, and SLIBC PCBs
- Supports up to four (4) DTMF tone detection circuits
- Multiple units can be installed for expanded capacity
- Used condition, tested and fully functional
Technical Specifications
The following specifications define the Vodavi DTMF4-A card’s capabilities and compatibility:
- Product Type: DTMF Expansion Card
- Manufacturer: Vodavi (Vertical Communications)
- Function: Dual Tone Multi-Frequency detection and signaling
- DTMF Circuits: 4-channel tone detection
- Compatible PCB: PRIB, T1IB, LCOBE, LCOBC, SLIBE, SLIBC
- System Series: Vodavi XTS, XTS-IP, STS, STSe
- Installation Method: Card-edge plug into KSU main board or expansion interface
- Maximum Units: Up to 2 DTMF cards per system (depending on configuration)
Typical Applications
- Automated call routing and IVR (Interactive Voice Response) systems
- Voice mail integration with DTMF menu navigation
- Tone-based external paging and notification systems
- Third-party PBX and Centrex integration requiring DTMF signaling
- Telephone system expansion for facilities requiring enhanced DTMF capacity
Compatibility & Replacements
Compatible With
- Vodavi XTS telephone systems (XTS, XTS-IP, XTSc-IP)
- Vodavi STS series KSU (STS, STSe, Triad-S)
- Vertical Communications successor systems compatible with Vodavi legacy hardware
- PRIB, T1IB, LCOBE, LCOBC, SLIBE, SLIBC PCB platforms
Replaces / Drop-In Replacement For
- Vodavi 3031-60 DTRU4 (4-channel DTMF Receiver variant)
- Other Vodavi DTMF expansion cards for XTS/STS platforms
Works With
- Vodavi STS and XTS KSU programming and configuration
- ITU-T Q.23 standard DTMF tone signaling
- Vodavi voice mail and IVR application modules
- Legacy Vodavi PBX integration protocols
