Description: Cisco SPA504G IP PHONECisco SPA502 Supports up to two Cisco SPA500S Expansion Module, adding up to 64 additional buttons.Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the Cisco Unified Communications 500 Series for Small Business.Cisco SPA502G SpecificationLCD display with a resolution of 128 x 64 (mono)2 port s 10 / 100BASE-T RJ-45 Ethernet (IEEE 802.3)The handset RJ-9Built-in speaker and microphone2.5mm Headset JackLEDs / buttons:4 buttonsLEDs indicate the status of the line – active, not registered,Illuminated buttons: Audio Mute On / Off Headset On / Off, Speakerphone On / OffSupported network protocols:MAC address (IEEE 802.3)IPv4 (RFC 791)Address Resolution Protocol (ARP)DNS: A record (RFC 1706), the SRV record (RFC 2782)Dynamic Host Conf iguration Protocol (DHCP) client (RFC 2131)Internet Control Message Protocol (ICMP) (RFC 792)TCP (RFC 793)User Datagram Protocol (UDP) (RFC 768)Real-Time Transport 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 802.1p / Q: Layer 2 quality of service ( QoS )Simple Network Time Protocol (SNTP) (RFC 2030)Specification of the voice:4 linesVoice protocol SIP v.2 (RFC 3261, 3262, 3263, 3264)SPCP with the Cisco Unified Communications 500 SeriesSupport reduntantnego Server SIPProtocol support SIP networks with NAT (including STUN server support)Registration redoing the primary server SIPSIP Frag (RFC 3420)The ability to initiate encrypted connections via SRTPVoice codecs:G.711 (A-law and μ-law)G.726 (16/24/32/40 kbps)G.729 AG.722Dynamic payload supportThe possibility laid site and a size of the audio frames per packetDual-tone multifrequency ( DTMF ), in-band and out-of-band (RFC 2833) ( SIP INFO)Flexible dial plan support with interdigit timersSupport for call by IP address / URLGenerating sounds during a conversationJitter buffer: adaptiveHiding lost framesGenerate artificial background noise generation (CNG)The algorithm recognizes a caller activity (VAD) algorithm damping silenceAdjusting damping / profitVMWI – Voicemail waiting indicator, by sub skrypcje, notificationThird-party call control (RFC 3725)Provisioning and Administration:Built Administration Server to manage dlaadministratora and UserManagement by phone keypad on the screenThe system provisioning via HTTPS, HTTP, TFTPAsynchronous notification for updates notification (NOTIFY)Nonintrusive in-service upgradesGenerating reports and registration of eventsStatistics BYE broadcast in the newsAnd syslog server entries dubug: configurable per lineEnvironmental Specifications:Power supply:Power of Ethernet 802.3afThe power supply is optional and is purchased separatelyCompatible power supply models: Cisco PA100-NA, PA100-EU, PA100-UK, PA100-AUSpecifications power supply on the output: +5 VDC at 2.0ADimensions: 214 x 212 x 44 mmWeight: 0.9 kgOperating temperature: 0 ° ~ 40 ° CStorage Temperature: -20º ~ 70ºCAir humidity Operating: 5% to 95%Air humidity during storage: 5% to 95%
Price: 13 USD
Location: Fountain Valley, California
End Time: 2024-11-14T19:08:52.000Z
Shipping Cost: 0 USD
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Item Specifics
All returns accepted: ReturnsNotAccepted
Phone Lines: 4
MPN: SPA504G
Brand: Cisco
Type: IP Phone
Model: SPA504G
Interface: Ethernet (RJ-45)
