Cisco 2-Port Analog Telephone Adapter — Modernize Your Office Communications

The Cisco 2-Port Analog Telephone Adapter is a practical, high-value solution designed for small to medium-sized businesses that want to preserve their existing analog devices while migrating to modern IP-based communications. This versatile device bridges traditional phones, fax machines, and other analog equipment with your IP telephony system, enabling a seamless transition to VoIP without the cost or disruption of replacing every handset. With two fully functional ports, it offers a simple, cost-effective gateway to scalable, feature-rich communications, helping teams stay connected, productive, and responsive in today’s fast-paced business environment.

• Seamless two-port analog integration: Connect up to two traditional telephones, fax machines, or other legacy devices to a SIP-based VoIP network, preserving your current investments while gaining access to modern call features and centralized management.
• Plug-and-play deployment with flexible provisioning: Designed for quick setup, the adapter supports auto-provisioning, DHCP-based configuration, and easy integration with Cisco Unified Communications Manager (CUCM) or compatible third-party SIP servers, reducing onboarding time and IT overhead.
• Robust security and reliability: Built to protect voice traffic, it supports secure signaling and media transport (TLS and SRTP), firewall traversal, and consistent QoS handling to ensure clear calls and minimal jitter, even in busy office environments.
• Advanced call features and interoperability: Enjoy essential communications capabilities like caller ID, call forwarding, conferencing, voicemail integration, and reliable interoperability with a wide range of SIP services and on-premises or hosted platforms.
• Compact design with flexible installation: The two-port ATA is compact, energy-efficient, and wall-mountable, allowing discreet placement in closets or on desks while leaving ample space for other network equipment.

Technical Details of Cisco 2-Port Analog Telephone Adapter

• Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference

How to Install Cisco 2-Port Analog Telephone Adapter

• Unbox and place the Cisco 2-Port Analog Telephone Adapter in a secure, cool, well-ventilated area near your network equipment. Ensure you have a reliable power source and access to your Ethernet network.
• Connect the WAN port of the adapter to your network switch or router using a standard Ethernet cable. Provide power to the device through its power adapter or PoE if supported by your setup.
• Plug your two analog devices (phones, fax machines, or answering machines) into the two RJ-11 ports on the adapter. Make sure the devices are powered on and ready to register with the IP-based system.
• Configure SIP settings through the web-based management interface. Enter the IP address assigned to the adapter, set the SIP server or proxy details, and configure authentication credentials as required by your VoIP service provider or CUCM environment. Enable security features such as TLS and SRTP if supported by your network policy.
• Test call functionality and feature integration. Place internal and external calls to verify audio quality, signaling, and feature behavior (caller ID, call waiting, hold, transfer, and voicemail integration). Monitor QoS settings on your router or switch to ensure clear voice traffic and prioritize VoIP packets when necessary.

Frequently asked questions

• What is the Cisco 2-Port Analog Telephone Adapter used for?

  The adapter enables two traditional analog devices to operate on a SIP-based IP network. It preserves legacy handsets and fax machines while connecting them to modern VoIP systems, providing access to centralized call control, advanced features, and simplified management without replacing existing hardware.

• Does the Cisco 2-Port ATA support security features?

  Yes. The device supports secure signaling and media transport options such as TLS and SRTP, helping protect voice communications from interception and tampering. It also works with network firewalls and NAT traversal methods to ensure reliable connectivity in typical office environments.

• Can this ATA work with Cisco Unified Communications Manager (CUCM)?

  Yes. The adapter is designed to integrate with Cisco's IP telephony ecosystem, including CUCM, and is compatible with other SIP-based platforms. This enables centralized provisioning, call routing policies, and consistent management across your communications landscape.

• What kind of installation or provisioning is required?

  Installation generally involves connecting the device to your network, wiring analog devices into the two RJ-11 ports, and configuring SIP settings through the web-based interface. Depending on your environment, you may enable auto-provisioning, DHCP-based configuration, or manual provisioning for precise control and policy adherence.

• Is the Cisco 2-Port ATA suitable for small offices and remote locations?

  Absolutely. Its compact, two-port design is ideal for small offices or branch locations that need reliable analog-device support while transitioning to VoIP. The device’s ability to mount on a wall and its energy efficiency make it a practical choice for space-constrained setups and multiple locations requiring consistent voice quality.

• What should I consider for quality of service (QoS) and network compatibility?

  Plan for QoS on your network hardware to prioritize VoIP traffic. Ensure your router or switch supports VLAN tagging and maintains stable latency and jitter. The ATA works well with standard SIP servers and can be provisioned to align with your network’s security policies, ensuring reliable, high-quality calls even during peak usage times.