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VoIP Adapter (CRA-211)

It has all the requirements to meet the needs of small or medium sized enterprise & home users, and consistently delivering clear voice quality. Designed and tested for full interoperability with leading IP-PBXs, Soft switches and most SIP-based environment...

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It has all the requirements to meet the needs of small or medium sized enterprise & home users, and consistently delivering clear voice quality. Designed and tested for full interoperability with leading IP-PBXs, Soft switches and most SIP-based environment.

  • Supports SIP V2 (RFC 3261)
  • Connects legacy telephones (PSTN) to IP-based (VoIP) networks
  • Caller ID display and generation
  • Call Waiting and Transfer (both blind & Attendant)
  • Call Hold and 3-way conference
  • VAD, CNG, Echo Cancellation (G.168), Gain
  • Adjustment & more Advanced adaptive jitter control and packet loss concealmen
  • Fax pass through and T.38
  • QoS, Auto provisioning and STUN
  • Built-in Router, NAT and Gateway
  • DHCP (both client & server), PPPoE & IP Address Reservation
  • Port Forwarding and Advanced Routing
  • Firmware upgrade via HTTP with encrypted configuration files
  • DTMF tone detection and generatio

 

 

Technical Specification
Model CRA-211-A
Ports One 10/100Mbps RJ-45 Network Port for WAN
Two 100Mbps RJ-45 Network Port for LAN
One 802.11g wireless port as a Station
Two RJ-11 FXS Port for VoIP
One RJ-11 FXO port for PSTN
LED’s Power, Ethernet, Phone1, Phone2, Line
Voice Protocol Session Initiation Protocol (SIP v2)
Voice Codec’s G.711 A-law, G.711 μ-law, G.729AB, G.726, G.723.1
Ringer Equivalence 3 REN per RJ-11 port
Ring Frequency 25Hz
FXS Port Impedance Pre-set Progress Tones for Multiple Regions including
600 / 900 ohms
Ring Voltage 90 Vrms Configurable
Security Password-protected management
Physical & Environment
Operating Temperature 10oC to 40oC (50oF to 104oF)
Operating humidity 10% to 90%, Non-condensing
Storage temperature 0oC to 50oC (32oF to 122oF)
Storage humidity 5% to 95%, Non-condensing
Unit Weight 0.32 kg
Dimensions 149 mm (W) x 180 mm (L) x 45 mm (H)
Power Input 12V DC / 1.5 A
Warranty One Year
  • Product Length: 180 mm
  • Product Height: 45 mm
  • Product Width: 149 mm

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