OFS-VPA1N
![OFS-VPA1N]( "OFS-VPA1N")
Connect your analog devices to your IP phone system. The OPTFOCUS OFS-VPA1 gateway supports up to two SIP
servers in SIP 2.0, correlative RFCs.
The OPTFOCUS G series are VoIP analog telephone adaptors (ATA) used for connecting analog devices such
as phones and fax machines to an IP phone system.
Product Specification
Phone features
l Linux OS
l Supports SIP 2.0 (RFC3261) and correlative RFCs
l SIP supports 2 SIP servers, and Group servers
l Supports SIP UDP/TCP
l SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP Call
Key Features
l System led to indicate power/phone/register status
l Supports BY-PASS FAX
Audio Features
l Codec: G.711A/u, G.729AB, G.726-32
l DTMF: In-band, RFC 2833 and SIP INFO
l Voice Activity Detection (VAD)
l Comfort Noise Generation (CNG)
l Background noise suppression
l Adaptive jitter buffers
l Packet loss concealment
l Different country tones
Advanced Features
l Call forwarding (busy/ no answer/ always)
l Call transfer ( unattended/ attended)
l Call holding
l Call waiting
l 3 way call conference
l MWI
l Flexible dial plan
l Barring function for outgoing calls
l Caller ID(FSK/DTMF)
l Indication when N/A line available
l CLIR(rejects anonymous calls)
l CLIP(to make an anonymous call)
l Dial without registration
l Hotline/Warm-line
l Black List
Network/ Security Features
l WAN / LAN：10/100M Ethernet ports
l Bridge mode and route
l PPPoE for xDSL
l NAT (NAPT)
l NAT transverse :Support STUN client
l DHCP client on WAN/ DHCP server on LAN
l Main DNS and secondary DNS server
l NTP Client
l Firewall
l Web management access restricted
l VPN(L2TP/PTP)
l ping, tracert, telnet
l Qos
Maintenance & Management
l WEB management
l Management with different account right
l Recover firmware and factory reset through Uboot
l Upgrade firmware via HTTP,HTTPS, FTP, TFTP
l DHCP option66 and custom option for auto provisioning
l Auto Provisioning to upgrade configuration file
l Syslog
Physical features
l Adapter Input: AC 100-240V
l Adapter Output: DC 12V/0.5A
l WAN Port -10/100 BASE-T RJ-45 for LAN
l LAN Port-10/100 BASE-T RJ-45 for PC
l FXS:1 RJ11
l SDRAM: 64MB
l FLASH: 16MB
l Operation Temperature: 0〜40℃
l Relative Humidity: 10〜65％
l Gross weight: 220g
l Device Dimension: 85 x 67.6 x 35mm
l Gift Box size: 150 x 125 x 55mm
l Outer CTN Dimensions: 290 x 265 x 325mm (20 PCS)