Behnke Serie 20 Electronic Compact Module (SIP / a/b), Size 2, 20-0014-BS

The Behnke Serie 20 Electronic Compact Module (SIP / a/b), Size 2, 20-0014-BS is a versatile internal module designed for integration into Behnke Serie 20 door stations. It supports both SIP VoIP and analog a/b (POTS) communication, making it ideal for modern and legacy intercom systems. With Power over Ethernet (PoE) or external DC power, two relay outputs, and two digital inputs, this module enables door opener control, light switching, and status monitoring. Full-duplex audio with echo cancellation ensures clear communication. Configuration is easy via a web interface, and remote provisioning is supported.

Advantages

Combines SIP and analog a/b connectivity in one module, simplifying system design. PoE support reduces cabling needs. Two relays and two digital inputs provide flexible control options. Web-based configuration and remote provisioning save time during installation and maintenance.

Suitable for

• Door communication systems requiring both IP and analog lines
• Behnke Serie 20 door stations (Size 2 housing)
• Residential and commercial access control

Key specifications

• Product Type: Electronic Module for Door Communication
• Connectivity: Wired (SIP / a/b)
• VoIP Protocols: SIP, RTP, SRTP, TLS
• Analog Protocols: a/b (POTS)
• Audio Codecs: G.711 (a-law, μ-law), G.722 (wideband)
• Network Protocols: IPv4, DHCP, NTP, HTTP/HTTPS, STUN, DNS
• Power Supply: PoE IEEE 802.3af Class 0 or external DC 12-24V
• Relay Outputs: 2x potential-free
• Digital Inputs: 2x
• Audio Features: Full-duplex, echo cancellation, noise reduction
• Configuration: Web interface, remote provisioning
• Operating Temperature: -20°C to +50°C
• Mounting: Internal module for Serie 20 housings
• Firmware Updates: Via web interface
• Security: SRTP, TLS, password protection
• Call Features: Direct call, group call, call forwarding, status messages
• LED Indicators: Status LEDs for operation and network

Recommendations

For optimal performance, use with Behnke Serie 20 door stations and ensure proper PoE or DC power supply. Configure via the web interface for your specific SIP or analog settings.