Conventional and in advance thinking as well, the Cisco SPA509G Dubai makes use ofVoIP’s advantages with out limiting its core businesses operation. The SPA509G enables effortless station moves, shared line appearances, efficiency enhancing features when combined with Cisco Unified Communications or SIP based ip telephone system.

In the busy business enviornment you dont have to worry about security or updates. SPA509G encryption protocols unobtrusively manage in-service software upgrades and highly secure remote provisioning. The Cisco SPA509G Dubai  works the best for Asterisk, Trixbox, Switchvox, 3CX along with other SIP based IP PBX platforms. The Cisco SPA509G supports the standard G.729a codec, in addition to G.722 High Definition Audio and many other voice compression codecs. The Cisco SPA509G includes a web UI for local provisioning and can also be provisioned remotely via TFTP, HTTP or HTTPS.

Cisco SPA509G Specification

Supported 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 Configuration 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:

• 12 line
• V.2 SIP voice protocol (RFC 3261, 3262, 3263, 3264)
• SPCP with the Cisco Unified Communications 500 Series
• Support SIP server reduntantnego
• Support for SIP networks with NAT (including STUN server support)
• Registration redoing the primary SIP server
• SIPFrag (RFC 3420)
• The ability to initiate encrypted connections via SRTP
• Voice codecs:G.711 (A-law and μ-law)
  G.726 (16/24/32/40 kbps)
  G.729 A
  G.722
• Dynamic payload support
• The ability to specify the size of audio frames per packet
• Dual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO)
• Flexible dial plan support with interdigit timers
• Support for call by IP address / URL
• Generating sounds during a conversation
• Jitter buffer: adaptive
• Hiding lost frames
• Generate artificial background noise generation (CNG)
• The algorithm recognizes a caller activity (VAD) algorithm damping silence
• Adjusting damping / profit
• VMWI – Voicemail waiting indicator, through subscriptions, notification
• Third-party call control (RFC 3725)

Provisioning and Administration:

• Built Administration Server to manage the administrator and user
• Management by phone keypad on the screen
• The system provisioning via HTTPS, HTTP, TFTP
• Asynchronous notification for updates notification (NOTIFY)
• Nonintrusive in-service upgrades
• Generating reports and registration of events
• Statistics BYE broadcast in the news
• And syslog server entries dubug: configurable per line

Environmental Specifications:

• Power supply:
  Power of Ethernet 802.3af
  The power supply is optional and is purchased separately
  Compatible power supply models: Cisco PA100-NA, PA100-EU, PA100-UK, PA100-AU
  Specifications power supply on the output: +5 VDC at 2.0A