Cisco SPA301-G2

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Telefon IP , Da , Da , Da , Da , VLAN tagging 802.1p/Q: Layer 2 quality of service (QoS)Voice gateway :SIP version 2 (RFC 3261, 3262, 3263, 3264)SPCP with the Cisco Unified Communications 500 SeriesSIP proxy redundancy: dynamic via DNS SRV, A records , Asynchronous notification of upgrade availability via NOTIFYNonintrusive in-service upgradesReport generation and event loggingStatistics transmitted in BYE messageRTCP-XR , Attenuation/gain adjustmentsMessage waiting indicator (MWI) tonesVoicemail waiting indicator (VMWI), via NOTIFY, SUBSCRIBECaller ID support (name and number)hird-party call control (RFC 3725) , Re-registration with primary SIP proxy serverSIP support in NAT networks (including STUN)SIPFrag (RFC 3420)Highly secure (encrypted) calling via Secure Real-Time Transport Protocol (SRTP)SIP/TLSCodec name assignment , Syslog and debug server records: configurable per line , Flexible dial plan support with interdigit timersIP address/URI dialing supportCall progress tone generationJitter buffer: adaptiveFrame loss concealmentVoice activity detection (VAD) with silence suppression , Data networking :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)ICMP (RFC 792) , Provisioning, administration, and maintenance :Integrated web server provides web-based administration and configurationAutomated provisioning and upgrade via TFTP, HTTP or HTTPS , Voice algorithms: G. 711;G. 726 ;G. 729 AB ;G. 722Dynamic payload supportAdjustable audio frames per packetDual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO) , TCP (RFC 793)UDP(RFC 768)RTP(RFC 1889, 1890)RTCP(RFC 1889)Real Time Control Protocol - Extended Report (RFC 3611)DiffServ(RFC 2475)ToS(RFC 791, 1349)SNTP(RFC 2030) , Multiple ring tones with selectable ring tone per lineCall duration and start time stored in call logs in web GUIDistinctive ringing based on calling and called number10 user-downloadable ring tonesSpeed dialing, eight entrie , Automated remote provisioning, multiple methods; up to 256 bit encryption (HTTP, HTTPS, Trivial File Transfer Protocol [TFTP])Option to require administrator password to reset unit to factory defaults , Hot line and warm line automatic callingDigits dialed with number auto-completionAnonymous caller blockingSupport for Uniform Resource Identifier (URI) (IP) dialing (vanity numbers) , Syslog, debug, report generation, and event loggingSupport for highly secure encrypted voice communicationsBuilt-in web server for administration and configuration, with multiple security levels , Automatic redial of last calling and last called numbersCall pickup: selective and groupCall swapCall back on busyCall blocking: anonymous and selectiveCall forwarding: unconditional, no answer, and on busy , Configurable dial/numbering plan supportIntercomGroup pagingNetwork Address Translation (NAT) Traversal, including Serial Tunnel (STUN) supportDNS SRV and multiple A records for proxy lookup and proxy redundancy , One voice lineMusic on holdCall waitingOutbound caller ID blockingCall transfer: attended and blindThree-way call conferencing with local mixingMultiparty conferencing via external conference bridge , 194 x 97 x 45 mm , 0.7711 kg , 5 VDC universal (100–240V) switching power adaptor included , Voicemail message waiting indicator lightVoicemail message retrieval buttonVolume controlRedial ButtonFlash ButtonStandard 12-button dialing padHigh-quality handsetOne Ethernet WAN port 10/100BASE-T RJ-45 - spa301-g2
Denumiri similare la Telefon VOIP Cisco SPA301-G2: SPA 301 G 2, SPA301G2, SPA301 G2, SPA 301-G2, SPA301-G 2
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