User manual

CRA-210 User Manual Guide
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Power LED Green: The Power LED lights up when the Phone Adapter is powered on
and ready.
VoIP LED Green: The VoIP LED lights up only when ATA got registered to any
ITSP SIP account.
ETHERNET LED Green: The ETHERNET LED lights up when the Phone Adapter
is connected to your network through the Ethernet port. It flashes when there is data
being sent or received.
PHONE LED Orange: The PHONE LED is solidly lit when a telephone or fax
machine got registered to any ITSP through Internet connection. (The connection will
get register only if your ITSP account is active). And the PHONE LED changes to
BLUE when the phone is on the hook.
2.4. Key Features
The CRA-210 has the following features.
• Supports SIP V2 (RFC 3261)
• Supports a variety of services such as Caller ID display and generation,
Call transfer, Call waiting, Call holding and 3-way conferencing
• Supports MTU size negotiation,
• Supports Static IP, DHCP Client / Server and PPPoE
• Built-in router, NAT and Gateway
• Supports DHCP IP Reservation, Port Forwarding and Advanced Routing.
• Supports VAD with Silence Suppression, CNG , Echo Cancellation and
Adaptive jitter buffer
• Supports the traditional fax service using T.38 formats
• Supports gain adjustment to FXS ports
• Supports firmware upgrade via HTTP
• Supports Auto-provision
• Support the following codec:
o G.711 A / µ-law
o G.729AB
o G.723
o G.726