Despre IP Telephony Gateway with 4 FXS and 4 FXO Ports |
Standarde: | IEEE 802.3 IEEE 802.1p |
Porturi: | 4 RJ-11 FXS phone ports for analog circuit telephone device(s) (tip/ring) 4 RJ-11 FXO line ports for telco or PABX or KTS connection(s) RJ-21 (50-pin telco connector) multiport voice connection, 1 WAN 100BASE-T RJ-45 Ethernet port (IEEE 802.3) 1 AUX 100BASE-T RJ-45 Ethernet port (IEEE 802.3) for Maintenance |
LED Indicators | Power, Ethernet, Voice Status, Phone 1 through 4, Line 1 through 4 |
Altele | MAC address (IEEE 802.3) IPv4 (RFC 791) Address Resolution Protocol (ARP) DNS A record (RFC 1706), SRV record (RFC 2782) Dynamic Host Configuration Protocol (DHCP) client (RFC 2131) DHCP server (RFC 2131), Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516) Internet Control Message Protocol (ICMP) (RFC 792) Transport Control Protocol (TCP) (RFC 793) User Datagram Protocol (UDP) (RFC 768), Real Time Protocol (RTP) (RFC 1889, 1890) Real Time Control Protocol (RTCP) (RFC 1889) Differentiated Services (DiffServ) (RFC 2475), type of service (ToS) (RFC 791, 1349) VLAN tagging (IEEE 802.1p), Simple Network Time Protocol (SNTP) (RFC 2030) Upload data rate limiting: static and automatic Quality of service (QoS): voice packet prioritization over other packet types MAC address cloning Port forwarding, SIP channels support both User Datagram Protocol (UDP) and TCP transport VPN pass-through with IP Security encapsulating security payload (IPsec ESP), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling Protocol (L2TP), SIP version 2 Dual-tone multifrequency (DTMF) tone detection and generation Voice Activity Detection (VAD) Comfort Noise Generation (CNG) compatible Silence suppression Call waiting, call waiting caller ID (FXS ports only), Caller ID with name/ number Caller ID blocking Call forwarding: no answer, busy, all Do not disturb Call transfer, call return, call back on busy Fax: G.711 pass-through or real-time fax over IP via T.38 fax relay, Supports multiple voice codecs: G.711a, G.711u, G.726,G.729A, G.723.1 SIP over TLS Three-way conference calling with local mixing Per-call authentication and associated routing Call blocking with toll restriction, Delayed disconnect Distinctive ringing: calling and called number Off-hook warning tone Selective/anonymous call rejection VoIP to PSTN (USA) service call origination and termination, PSTN (USA) to VoIP service call origination and termination Forward calls to VoIP service: selective, authenticated, all Forward calls to PSTN service: selective, authenticated, all, Automatic PSTN fallback (loss of power or IP service to unit, with quiescence to normal operations): fixed fallback pairing of FXS ports to FXO ports Advanced inbound and outbound call routing, Independent configurable dial plans (1 per port) Force PSTN disconnection PSTN answer delay timer PSTN-to-VoIP call max duration timer VoIP-to PSTN call max duration timer PSTN dialing delay timer, VoIP dialog refresh interval timer PSTN ring time-out timer FXO port impedance: configurable to 16 settings Ring frequency: configurable SPA to PSTN and PSTN to SPA gain settings Ring frequency: maximum setting, Ring validation time setting Tip/ring voltage adjustment setting Ring indication delay setting Operational loop current minimum value Ring time-out setting On-hook speed setting Ringer impedance setting, Line-in-use voltage setting Password-protected system reset to factory default Password-protected administrator and user access authority Provisioning/configuration/authentication: HTTPS with factory-installed client certificate, HTTP digest-encrypted authentication via MD5 (RFC 1321) Authentication: Extensible Authentication Protocol TLS (EAP-TLS), EAP Tunneled TLS (EAP-TTLS), and Protected EAP (PEAP) SIP over TLS, Up to 256-bit Advanced Encryption Standard (AES) encryption Web browser administration and configuration via integral web server Telephone keypad configuration with interactive voice prompts, Automated provisioning and upgrade via HTTPS, HTTP, Trivial File Transfer Protocol (TFTP) Asynchronous notification of upgrade availability via NOTIFY Nonintrusive, in-service upgrades Report generation and event logging, Stats in BYE message Syslog and debug server records Per-line and purpose configurable syslog and debug options Ring voltage: 40-90 Vpk configurable Ring frequency: 20-25 Hz Ring waveform: trapezoidal, Maximum ringer load: 5 ringer equivalence numbers (RENs) On-hook/off-hook characteristics: On-hook voltage (tip/ring): -46 ~ -56V Off-hook current: 18-20 mA Terminating impedance: 600 ohm resistive or 270 ohm + 750 ohm, 150 nF complex impedance Frequency response 300-3400 Hz Return loss (600 ohm, 300-3400 Hz) up to 20 dB Insertion loss (1 Vrms at 1 kHz) 3-4 dB Total harmonic distortion (THD) (350 mV peak at 300 Hz) up to 3%, Idle channel noise 72 dB (typical) Longitudinal balance 55 dB (typical) Off-hook threshold (line seizure) Rdc 1000 ohm On-hook threshold (line release) Rdc 10000 ohm Rdc DC supervisory range Rdc 450 ohm |
Greutate (g): | 1.30 kg |
Dimensiuni: | 170 x 39 x 220 mm |
Alimentare (V/Hz): | Switching type (100-240V) automatic DC input voltage: 12V DC at 3.0A max. Power adapter: 100-240V, 50-60 Hz AC input |