Clearance items can be either customer returns in "like-new" condition (Open Box Items), unused inventory stock rotation, or manufacturer refurbished. All items are tested, quality assured, fully functional, and carry a full 90 day manufacturer's warranty.
Please Note: This is
a PoE capable device and the AC power adapter is not included.
The Cisco SPA508G is Cisco’s midrange business desktop IP Phone within
the Cisco Small Business Pro product family. The Cisco SPA508G is a
8-Line phone with backlit LCD display and full-duplex speakerphone.
8 Line Phone with Hi-Res Backlit LCD Display
SIP and SPCP (Cisco C500) Protocol Support, G.722 Wide Band
Dual Switched Ethernet, IEE 802.3af POE
The Cisco SPA508G features dual switched ethernet ports with IEEE
802.3af compliant PoE (Power Over Ethernet) support. The Cisco SPA508G
also features a Message Waiting Indicator Light, 4-way navigation key,
and 12 button dial pad, dedicated illuminated buttons for Volume, Hold,
Menu settings and Voicemail access. The Cisco SPA508G works well with
Asterisk, Trixbox, Switchvox, 3CX and other SIP based IP PBX platforms.
The Cisco SPA508G supports the standard G.729a codec, as well as G.722
High Definition Audio and several other voice compression codecs. The
Cisco SPA508G features a web UI for local provisioning and can also be
provisioned remotely via TFTP, HTTP or HTTPS. Other features of the
Cisco SPA508G include remote in-service firmware upgrade, XML
configuration files, 256 Bit AES encryption of configuration files, and
asynchronous notification of Upgrade Availability via SIP Notify.
Cisco SPA508G -
VoIP Phone Overview
The Cisco SPA508G supports LDAPv3 Corporate Directory Search, Cisco
XML-based Corporate Directory and features a customizable logo and
screensaver. SIP 3rd party call control for server based applications
and Cisco XML API support for advanced applications is also available.
The Cisco SPA508G supports for the standard SIP2.0 protocol, as well as
Cisco’s proprietary SPCP (Smart Phone Control Protocol), a derivative
of Cisco’s SCCP (Skinny) call control protocol which is used on the
Cisco UC500 platform. The Cisco SPA508G is part of the Cisco Small
Business Pro product family.
Cisco SPA508G - VoIP
Phone Features & Functions
Dual switched ethernet ports
IEEE 802.3af PoE (Power Over Ethernet)
Supports SIP or SPCP protocol
G.729 and G.722 Wideband Audio Support
Menu driven user interface
Web based GUI, remote provisioning
IP dialing support
Hi Res LCD Display
2.5mm stereo headset connector
AUX port (SPA932 or SPA500S attendant console is supported)
High quality audio handset
Full duplex hands free speakerphone
Hearing aid compatability (HAC)
Support calls between TTY’s
Works well with GN Netcom, Jabra and Plantronics wired
Optional PA100 Power Adapter and MB100 Wall Mount Adapter
● 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) ● Internet Control Message Protocol (ICMP) (RFC 792) ● TCP (RFC 793) ● User Datagram Protocol (UDP) (RFC 768)● SIP version 2 (RFC 3261, 3262, 3263, 3264) ● SPCP with the Cisco Unified Communications 500 Series ● SIP proxy redundancy: dynamic via DNS SRV, A records ● Reregistration with primary SIP proxy server ● SIP support in NAT networks (including STUN) ● SIPFrag (RFC 3420) ● Secure (encrypted) calling via SRTP ● Codec name assignmentIntegrated web server provides web-based administration and configuration ● Telephone keypad configuration via display menu/navigation ● Automated provisioning and upgrade via HTTPS, HTTP, TFTP ● Asynchronous notification of upgrade availability via NOTIFY ● Nonintrusive in-service upgrades ● Report generation and event logging ● Statistics transmitted in BYE message ● Syslog and debug server records: configurable per line