ClearOne Converge Pro VH20 | 2 Line I/O SIP Direct Connection Conferencing VoIP Interface for Converge Pro Platform

SKU: CLO-INTRFCE-910151825 Category:
Brand: ClearOne


Data Voice Communication Interface

Professional conferencing VoIP Interface ?? brings ClearOne HDConferenceTM audio quality to converged data/voice communication systems.

Add VoIP capabilities to your CONVERGE Pro platform with the CONVERGE Pro VH20. Simplified configuration makes it easy to directly connect SIP-based phone systems to transport audio over an IP network. With complete compatibility between ClearOne CONVERGE Pro products, the VH20 can quickly be integrate with Cisco, Avaya and many other VoIP PBX phone systems.

Guaranteed Quality of Service (QOS) and ClearOne’s legacy audio clarity mark this powerful end-point device. Full security is never a concern with TLS, AES an SRTP encryption. The combination of features and audio processing make the VH20 the most advanced, professional-quality VoIP audio interface available.

Key Features

  • Simple Configuration and Compatibility
  • Robust Provision/Dial Plan for easy integration with Enterprise PBX
  • Complete interoperability testing using manufacturer SIP test plans and equipment
  • Simplified configuration software
  • VLAN Tagging/QOS
  • Support for wideband Audio ?? G.722
  • Cisco, Avaya, Nortel, ShoreTel Interop tested
  • Strong security
  • Full Security Capability with TLS, AES, SRTP encryption
  • Flexibility
  • VH20 can be added to any CONVERGE Pro audio system
  • SIP standard VoIP Hybrid
  • TLS and SRTP Capabilities
  • Scalable with multiple on-site VH20 units

Technical Specifications

VoIP Features
SIP V2 (RFC 3261 and compananion RFCs)
Codec Support
G.722 wideband audio
Security Features
Full Security Capability with TLS, AES, SRTP
Noise Cancellation
Noise Cancellation 6-15 dB attenuation
Audio Performance
Conditions: Unless otherwise specified, all measurements are performed with a 20 Hz to 22 kHz BW limit (no weighting)
Frequency Response: 20 Hz to 22 kHz ±1dB Rs=150 ohm
THD+N: <0.02%
Dynamic Range: 100 dB (non A-weighted)
Crosstalk <-91 dB re 20 dBu @ 20 kHz channel to channel
Line Inputs 1, 2
Push-on mini-terminal block, balanced, bridging
Impedance: < 10 k ohm
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Line Outputs 1,2
Push-on mini-terminal block, balanced
Impedance: < 50 ohm
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Expansion Bus In/Out
Proprietary Network
RJ-45 (2), Category 5 twisted-pair cable, 200’ maximum cable length between any two Converge Pro devices
Autoswitching with Quality of Connection (QoC)
10/100 Mbps Ethernet Network Port
10/100 Mbps Ethernet PC Port
RJ-45 Connectors
Serial Command Protocol Only (Console software not supported on RS- 232 port)
DB-9 female
9,600/19,200/38,400/57,600/115,200 baud rate; 8 bits,
1 stop bit, no parity
Hardware flow control on (default)/off
Version 2.0 compatible
Type: B-connector
Control/Status Ports
DB-25 female A/B (2)
Inputs A/B: active low (pull to ground)
Outputs A/B: open collector, 40 VDC max, 40 mA each
+3.3 VDC pins (2) (300 mA over-current protected)
Configuration & Administration Software
Converge Console
Remote Management & Configuration
HTTP web server
Telnet Client
SMTP Client
SNMP Agent
Power Input Range
100??240 VAC; 50/60 Hz
Power Consumption
30 W Typical
Dimensions (L x D x H)
17.25” x 10.25” x 1.75”
43.8 x 26 x 4.5 cm
7.5 lbs/3.3375 kg unit weight
12 lbs/5.4kg shipping weight
Operating Temperature
14 deg F/-10 deg C to 122 deg F/50 deg C ambient unit temperature
Approvals & Compliance
AES48-2005: AES standard on interconnections – Grounding and EMC practices – Shields of connectors in audio equipment containing active circuitry (self certified)
U.S.A. & Canada
CSA safety listed
EU Countries
RoHS compliant
WEEE compliant
See product manual for additional details
Optional Accessories
Converge Pro 880
Converge Pro 880T
Converge Pro 8i
Converge SR 1212
Converge SR 1212A
Converge Pro 840T
Converge Pro TH20
Tabletop Controller

SKU: CLO-INTRFCE-910151825 Category:

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