SMB Unified Communications



CISCO 300 & 500 Series


For small businesses with up to 24 phones per location, the Cisco® Unified Communications 300 & 500 Series is a complete, affordable unified communications system that delivers more—integrated voice and data, plus additional features designed and built just for small business. The Cisco Unified Communications 300 Series is backed by Cisco, the global leader in networking and communications.





  • 24-user capacity, user licenses included
  • 4 built-in PSTN line (FXO) ports, with a maximum of 12 lines if used with 2 Cisco SPA8800 PSTN gateways
  • ISDN Basic Rate Interface (BRI) via Mediatrix® 4400 Series Digital Gateways
  • Up to 4 SIP trunk accounts (destinations)
  • Up to 12 active trunk calls (line and SIP)
  • 1 analog phone with lifeline
  • Voicemail (12 hour capacity) and auto attendant
  • Voicemail to email notification
  • Can be deployed in a PBX or key telephone system (KTS) with shared lines
  • Dedicated music on hold and external paging ports



  • 4 10/100/1000 Mbps LAN ports
  • Ability to add Cisco ESW 500 or SF300/SG300 Series Switches for easy expansion
  • Built-in Wireless-B/G/N access point
  • Dual VLAN
  • 1 10/100/1000 Mbps WAN Ethernet port