Accesoriu retea Cisco Phone Adapter 2 Port SPA112
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Produs:Nou, Ofer garanție, Cu factură
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Numar articol:185238049
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Disponibilitate:Indisponibil
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Preț:223,00 Lei
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Anuntul a expirat la:12.05.2018, 18:11
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Specificatii
| Tip: | Port Phone Adapter |
| Caracteristici speciale: | G.729 A Security : Reset button TCP (RFC 793) Music on hold Do not distu G.726 (32 kbps) Dynamic payload Voice gateway : Physical interfaces : Voice features : Fax capability : Polarity control Flash hook time Full-duplex audio Data networking : Caller ID blocking Silence suppression Support for Bonjou Off-hook warning tone Codec name assignment Frame loss concealment Jitter buffer: Adaptive MAC address (IEEE 802.3) 150 nF complex impedance Statistics in Bye message Ring frequency: 20- 25 Hz Hook flash event signaling Off-hook current: 18-25 mA Ring waveform: trapezoidal VLAN tagging (IEEE 802.1p) Configurable ring frequency Hotline and warmline calling Fax pass-through using G.711 Ring validation time setting G.711 (A-law and μ-law) Call progress tone generation Ring indication delay setting Caller ID with name and numbe Voice activity detection (VAD) Comfort noise generation (CNG) Fax tone detection pass-through Frequency response: 300-3400 Hz Ping and traceroute diagnostics Attenuation and gain adjustments Address Resolution Protocol (ARP) Nonintrusive, in-service upgrades Adjustable audio frames per packet SIP Transport Layer Security (TLS) Report generation and event logging Idle channel noise: 72 dB (typical) Echo cancellation (G.165 and G.168) Call blocking with toll restriction Ring voltage: 40-90 Vpk configurable Longitudinal balance: 55 dB (typical) Message waiting indicator (MWI) tones User Datagram Protocol (UDP) (RFC 768) SIPv2 (RFC 3261, 3262, 3263, and 3264) Selective and anonymous call rejection Tip and ring voltage adjustment setting Insertion loss (1 Vrms at 1 kHz): 3-4 dB Call waiting, call waiting and caller ID Streaming audio server: Up to 10 sessions Call forwarding: No answer, busy, and all Advanced inbound and outbound call routing Subscriber line interface circuit (SLIC) : Disconnect tone (for example, reorder tone) On-hook voltage (tip and ring): -46 to -56V Rdc DC supervisory range: Rdc max 450 ohm Real Time Control Protocol (RTCP) (RFC 1889) Reregistration with primary SIP proxy serve Configuration management: Backup and restore IPv4 (RFC 791) upgradeable to IPv6 (RFC 1883) Per-call authentication and associated routing Simple Network Time Protocol (SNTP) (RFC 2030) Distinctive ringing: Calling and called numbe Real Time Protocol (RTP) (RFC 1889) (RFC 1890) Three-way conference calling with local mixing HTTPS with factory-installed client certificate Provisioning, administration, and maintenance : Provisioning, configuration, and authentication Return loss (600 ohm, 300-3400 Hz): up to 20 dB 1 WAN 100BASE-T RJ-45 Ethernet Port (IEEE 802.3) Call transfer, call return, and call back on busy Password-protected system reset to factory default Internet Control Message Protocol (ICMP) (RFC 792) On-hook threshold (line release): Rdc min 10000 ohm SIP channels support for both UDP and TCP transport Off-hook threshold (line seizure): Rdc max 1000 ohm Maximum ringer load: 5 ringer equivalence numbers (RENs) Highly secure (encrypted) calling using Secure RTP (SRTP) Password-protected administrator and user access authority HTTP digest: Encrypted authentication using MD5 (RFC 1321) Long silence (configurable time setting) silence threshold Up to 256-bit Advanced Encryption Standard (AES) encryption Dynamic Host Configuration Protocol (DHCP) client (RFC 2131) Telephone keypad configuration with interactive voice prompts Terminating impedance: 600 ohm resistive or 270 ohm + 750 ohm Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516) SIP proxy redundancy: Dynamic through use of DNS SRV A records Asynchronous notification of upgrade availability using Notify Total harmonic distortion (THD) (350 mV peak at 300 Hz): up to 3% Debug server records and syslog: Per-line configurable web browse Domain Name System (DNS) A record (RFC 1706) and SRV record (RFC 2782) Web browser administration and configuration using integral web serve 2 RJ-11 FXS phone ports for analog circuit telephone device (tip and ring) Visual messaging waiting indicator (VMWI) using frequency shift keying (FSK) Dual-tone multifrequency (DTMF): In-band and out-of-band (RFC 2833) (SIP information) Independent configurable dial plans with interdigit timers and IP dialing (1 per port) SIP support in network address translation (NAT) networks (including Serial Tunnel [STUN]) Automated provisioning and upgrade using HTTPS, HTTP, and Trivial File Transfer Protocol (TFTP) TR-069 Caller ID generation (name and number): Bellcore, DTMF, and European Telecommunications Standards Institute (ETSI) Real-time fax over IP using T.38 fax relay (T.38 support is dependent on fax machine and network and transport resilience) |
| Dimensiune: | 101 x 101 x 28 mm |
| Greutate (g): | 153 g |
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