Specifications

4-23
Cisco ATA Series of Analog Telephone Adaptors
Chapter 4 Voice and IP Communications
For More Information
See the Cisco IP Telephones Web site: http://www.cisco.com/go/iptel
Cisco ATA Series of Analog Telephone
Adaptors
The Cisco ATA 186 and 188 Analog Telephone Adaptors
bring analog telephones into the networked world. The
Cisco ATA series of products address the low-end product portfolio need by targeting the
enterprise, business local services, small-office environment and the emerging managed
voice services market. These cost effective handset-to-Ethernet adaptors enable analog
devices, such as phones and fax machines, to support voice-over-IP (VoIP) services. The
Cisco ATA 186 is equipped with, and a single RJ-45 Ethernet port. The Cisco ATA 188 has
two RJ-11 voice ports and two RJ-45 ports. The internal Ethernet switch allows for a direct
connection to a 10/100BASE-T Ethernet network and connectivity to a co-located PC or
other Ethernet-based device via the RJ-45 ports.
Both models ship with a bootload image and must be upgraded to a signaling firmware
image available on Cisco.com before deployment. Cisco ATAs can be configured
1
to use the
standards-based Voice over IP (VoIP) protocols H.323, Session Initiation Protocol (SIP),
Media Gateway Control Protocol (MGCP) and Skinny Client Control Protocol (SCCP).
When to Sell
Key Features
• Auto-provisioning with Trivial File Transfer Protocol (TFTP) provisioning servers
• Automatic assignment of IP address, network route IP, and subnet mask via Dynamic
Host Configuration Protocol (DHCP)
• Optional web configuration through built-in Web server
• Optional touch-tone telephone keypad configuration with voice prompt
• Administration password to protect configuration and access
• Advanced pre-processing to optimize full-duplex voice compression
• High performance line-echo cancellation eliminates noise and echo
• Voice activity detection (VAD) and comfort noise generation (CNG) save bandwidth
by delivering voice, not silence
• Dynamic network monitoring to reduce jitter artifacts such a packet loss
1. Two software image combinations are available on Cisco.com: H.323/SIP and MGCP/SCCP. MGCP/SCCP
image includes the letters, ms, in its name.
Sell This Product When a Customer Needs These Features
Cisco ATA Series of Analog
Telephone Adaptors
• Enable analog devices, such as phones and fax machines, to support Voice over IP services by converting the
analog signal into an IP signal
• Continue use of existing analog phones with IP network