Localizare:
Traseu sugerat:  

Alte oferte pentru produsul

Descrierea produsului
2 Port Phone Adapter, SPA112 Port Phone Adapter Cisco SPA112 2 x RJ11 spa1122 Port Phone AdapterCaracteristici Port Phone Adapter Cisco SPA112 2 x RJ11 spa112 Tip:Port Phone AdapterCaracteristici speciale:Password-protected administrator and user access authorityUser Datagram Protocol (UDP) (RFC 768)Configuration management: Backup and restoreDynamic payloadLongitudinal balance: 55 dB (typical)Visual messaging waiting indicator (VMWI) using frequency shift keying (FSK)Distinctive ringing: Calling and called numberIPv4 (RFC 791) upgradeable to IPv6 (RFC 1883)Automated provisioning and upgrade using HTTPS, HTTP, and Trivial File Transfer Protocol (TFTP) TR-069Reregistration with primary SIP proxy serverTerminating impedance: 600 ohm resistive or 270 ohm + 750 ohmEcho cancellation (G. 165 and G. 168)Selective and anonymous call rejectionRing indication delay settingHTTPS with factory-installed client certificateReal Time Control Protocol (RTCP) (RFC 1889)Subscriber line interface circuit (SLIC) :Dual-tone multifrequency (DTMF): In-band and out-of-band (RFC 2833) (SIP information)On-hook threshold (line release): Rdc min 10000 ohmHook flash event signalingAdvanced inbound and outbound call routingFax tone detection pass-throughDomain Name System (DNS) A record (RFC 1706) and SRV record (RFC 2782)Nonintrusive, in-service upgradesHighly secure (encrypted) calling using Secure RTP (SRTP)Frequency response: 300-3400 HzSilence suppressionDo not disturb1 WAN 100BASE-T RJ-45 Ethernet Port (IEEE 802.3)Up to 256-bit Advanced Encryption Standard (AES) encryptionSimple Network Time Protocol (SNTP) (RFC 2030)Ring frequency: 20- 25 HzIndependent configurable dial plans with interdigit timers and IP dialing (1 per port)Streaming audio server: Up to 10 sessionsLong silence (configurable time setting) silence thresholdReal-time fax over IP using T. 38 fax relay (T. 38 support is dependent on fax machine and network and transport resilience)Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516)Statistics in Bye messageG. 711 (A-law and μ-law)Insertion loss (1 Vrms at 1 kHz): 3-4 dBAttenuation and gain adjustmentsThree-way conference calling with local mixingReset buttonProvisioning, administration, and maintenance :Voice gateway :Maximum ringer load: 5 ringer equivalence numbers (RENs)Jitter buffer: AdaptiveCall waiting, call waiting and caller IDConfigurable ring frequencyPassword-protected system reset to factory defaultTCP (RFC 793)Ping and traceroute diagnosticsG. 729 AIdle channel noise: 72 dB (typical)Message waiting indicator (MWI) tonesCall blocking with toll restrictionMAC address (IEEE 802.3)Telephone keypad configuration with interactive voice promptsSIP proxy redundancy: Dynamic through use of DNS SRV A recordsOff-hook current: 18-25 mAFull-duplex audioCaller ID blockingTip and ring voltage adjustment settingProvisioning, configuration, and authenticationReal Time Protocol (RTP) (RFC 1889) (RFC 1890)Support for BonjourAdjustable audio frames per packetOff-hook threshold (line seizure): Rdc max 1000 ohmPolarity controlOff-hook warning toneFax capability :Address Resolution Protocol (ARP)Asynchronous notification of upgrade availability using NotifySIP support in network address translation (NAT) networks (including Serial Tunnel [STUN])150 nF complex impedanceVoice activity detection (VAD)Call forwarding: No answer, busy, and allPhysical interfaces :HTTP digest: Encrypted authentication using MD5 (RFC 1321)VLAN tagging (IEEE 802.1p)Ring voltage: 40-90 Vpk configurableVoice features :Rdc DC supervisory range: Rdc max 450 ohmCaller ID generation (name and number): Bellcore, DTMF, and European Telecommunications Standards Institute (ETSI)Hotline and warmline callingFax pass-through using G. 711Dynamic Host Configuration Protocol (DHCP) client (RFC 2131)Report generation and event loggingCodec name assignmentReturn loss (600 ohm, 300-3400 Hz): up to 20 dBComfort noise generation (CNG)Call transfer, call return, and call back on busy2 RJ-11 FXS phone ports for analog circuit telephone device (tip and ring)SIP Transport Layer Security (TLS)SIP channels support for both UDP and TCP transportRing waveform: trapezoidalCall progress tone generationMusic on holdDisconnect tone (for example, reorder tone)Security :Internet Control Message Protocol (ICMP) (RFC 792)Debug server records and syslog: Per-line configurable web browserG. 726 (32 kbps)Total harmonic distortion (THD) (350 mV peak at 300 Hz): up to 3%Flash hook timerPer-call authentication and associated routingData networking :Web browser administration and configuration using integral web serverSIPv2 (RFC 3261, 3262, 3263, and 3264)On-hook voltage (tip and ring): -46 to -56VFrame loss concealmentCaller ID with name and numberRing validation time settingDimensiune:101 x 101 x 28 mmGreutate (g):153 g
Denumiri similare la Adapter VOIP Cisco SPA112: SPA 112
Păreri
Intrebari&Raspunsuri

Prețurile și informațiile de pe paginile noastre sunt furnizate de magazinele partenere și au caracter informativ, unele erori pot apărea. Imaginile produselor au caracter informativ, uneori pot include niște accesorii care nu sunt mereu incluse în pachetul de baza. Informațiile aferente produsului (imagine, descriere, preț) se pot schimba fără notificare prealabilă. Compari.ro nu își asumă responsabilitate pentru eventualele greșeli.

^