Cisco ATA 190 Analog Telephone Adapter
This section describes the hardware and software features of the Cisco ATA 190 Analog Telephone
Adapter (ATA 190). The section includes a brief overview of the Session Initiation Protocol (SIP).
The ATA 190 analog telephone adapters are handset-to-Ethernet adapters that allow regular analog
phones to operate on IP-based telephony networks. The ATA 190 support two voice ports, each with an
independent phone number. The ATA 190 also has an RJ-45 10/100BASE-T data port.
This section covers these topics:
Session Initiation Protocol Overview, page 1-2
Hardware Overview, page 1-4
Software Features, page 1-5
Installation and Configuration Overview, page 1-9
Cisco Analog Telephone Adapter
Cisco ATA 190 Analog Telephone Adapter Administration Guide for SIP (Version 1.1)
C H A P T E R