ale tento produkt je beznadějně vyprodán a nebo je pouze dostupný jako dárek k vybranému výrobku. Vyberte si, prosím, ze související nabídky níže.
Popis
VoIP telefonní adapter, pomocí kterého budete moci volat přes internet i s běžným telefonním přístrojem.
Specification
Voice Functionality
SIP (RFC 3261) version 2
SDP (RFC 2327)
RTP (RFC1889)
RTCP (RFC1890)
Echo Cancellation: G.168
VAD (Voice Activity Detection)
Silence Suppression
CNG (Comfort Noise Generation)
Dynamic Jitter Buffer (Adaptive)
QoS Supports TOS, DiffServ
VLAN Tagging
3 REN per RJ-11 FXS ports
DTMF Detection and Generation
DTMF: In-Band and Out-of-Band (RFC 2833), (SIP INFO)
SIP NAT Traversal Support STUN (RFC 3489)
Fax Tone Detection and Pass-through
Modem Tone Detection and Pass-through *
T.38 FAX Relay *
Speed Dial Phonebook
Direct IP to IP Calling
Telephony Features: Caller ID, Call Waiting, Message Waiting, Three Way Conference (Depends on IP Telephony Service Provider) *
Flash Hook Timer *
Multiple SIP Accounts / Phone Numbers– Freely assignable to Each Phone Port
Multiple Channel Technology
Voice Codecs
G.711
G.729
GSM (Option)*
G.726 (Option)*
G.723 (Option)*
PSTN Lifeline Support (Option, Prestige 2002L with PSTN Line Port)
Send Emergency Call to PSTN
Make a PSTN Call by Dialing Pre-fix Number
PSTN Relay when Device Power Down
PSTN Relay when VoIP Service is Not Available
Receive Incoming PSTN Phone Call
Network Functionality
PPPoE
DHCP Client
Friendly Web-based Configuration Tool
Telnet Management
FTP/TFTP Firmware Upgrade and Configuration Backup/restore
Support TFTP Auto-Provisioning
Hardware Specification
LAN: Two 10M/100M Auto MDI/MDIX Ethernet Ports
Phone: Two RJ-11 ports for Analog Telephone service
Lifeline Port: One RJ-11 Port for PSTN Lifeline (P-2002L)
Reset Button
Status LEDs Indicator: PWR/VoIP, LAN, PC, Phone1, Phone2
Power: 12V AC input
Physical Specification
Dimensions: 180(W) x 128(D) x 36.5(H)mm
Weight: 312g
Environment Speciification
Operating temperature: 0oC~40oC
Operating humidity: 20%~85%(Non-condensing)
* Firmware upgradeable for future enhancement
* Success of FAX transmissions depends on network conditions and your FAX machine tolerance to those conditions. Your network environment should have reasonably low delay, jitter, and packet loss rate.