| رابط های آنالوگ | 4 پورت FXO
Loop start signaling protocol Configuration
Reversed polarity detection |
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| ویژگی های Voice | SIP (RFC3261) compatible
SIP method: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY OPTION
PING, PRACK, PUBLISH, REFER, REGISTER, SUBSCRIBE, UPDATE
Voice CODEC: G.711 a /u law, G.726, G.729A, G.723.1
(CNG (Comfort Noise Generation
(VAD (Voice Activity Detection
Silence suppression/detection
G.165/G.168 echo cancellation
Adaptive Jitter Buffer and programmable Gain Control
In-Band DTMF, Out-Of-Band DTMF relay
Multiple SIP Proxy server entries with fail-over mechanism
T.30 (G.III) / Real time T.38 / Secured T.38 FAX relay
DTMF, FSK (Bellcore & ETSI) Caller ID detection and generation
Caller ID Restriction (CLIR) support
FXO hang up detection: Busy Tone cadence auto learning/detection
Single Number / Account for multiple ports
Group hunting function
Digit Map
E.164 Numbering & ENUM support
Recordable greeting message
Hot-Line, Warm-Line support |
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| ویژگی های تماس | Call Hold, Call Waiting, Call Pickup
Call Forward – Unconditional, Busy, No Answer
Call Transfer – Unattended, Attended
Speed Dialing, Repeat Dialing, Three Way Calling |
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| پورت WAN | RJ-45 10/100BASE-TX Ethernet port supporting Nway auto-negotiation, auto-detection/adjustment of MDI/MDIX-
QoS: IP TOS (IP Precedence), DiffServ, Port Priority
NAT traversal: STUN, UPnP, OUTBOUND PROXY
Pass-through NAT
DDNS: DynDns.org, TZO, PeanutHull, 3322.org
RTP Packet Summary: packet sent, packet received, packet loss
MAC address clone |
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| پورت LAN | 4RJ-45 10/100BASE-TX Ethernet ports supporting NWay auto-negotiation, auto-detection/adjustment of MDI/MDIX-
NAT/PAT, DHCP Server, DMZ, Virtual Server, MAC/IP/port- based filtering-
QoS: port based priority (Hi/Low) with rate limit-
Router or Bridge Mode- |
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| جلوگیری از DoS | Attack prevention based on TCP, UDP, IP, ICMP protocols
Prevents SYN Flood, IP Spoofing, Ping of Death, TearDrop DoS attacks |
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| Management/Configuration | Web-based & Telnet user interfaces with password authentication-
Configuration, port status, registration status, hardware/software information in web-based & Telnet UI-
IVR (Interactive Voice Response) configuration engine-
(Reset button (factory default setting restoration-
Optional Auto Provisioning Server (APS) for mass deployment with less dispatch-
SNMP v.1/v.2c support-
Ping test- |
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| نشانگر LED | Voice ports
WAN port
LAN ports
Run
Power
Alarm |
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| VoIP Gateway | 4 Port FXO و کمتر |
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| برند | D-link |
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نقد و بررسیها
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