Cisco SPA112 2-Port Phone Adapter

Cisco SPA112 2-Port Phone Adapter

• Model: Cisco SPA112 2-Port Phone Adapter

• Ports:

  • 2 FXS ports for analog phones/fax machines

  • 1 10/100 Mbps Ethernet port

• Protocols Supported: SIP v2 (RFC 3261), TCP/UDP/IP, RTP, RTCP, DHCP, NTP

• Voice Features:

  • High-quality voice compression (G.711, G.729, G.726, iLBC)

  • Echo cancellation, silence suppression, jitter buffer

  • Caller ID, call waiting, call forwarding, 3-way conferencing

• Fax Support: T.38 fax relay and G.711 fallback

• Provisioning: Web-based GUI, remote provisioning via HTTPS, TFTP, HTTP

• Security:

  • Password-protected configuration

  • HTTPS and AES encryption

• Power Supply: External 5V DC adapter

• Dimensions: 101 × 101 × 28 mm

• Weight: ~150 grams

• Use Case: Ideal for small businesses and home offices transitioning to VoIP while retaining analog devices

Cisco SPA112 2-Port Phone Adapter

The Cisco SPA112 is a compact analog telephone adapter (ATA) that bridges legacy analog devices with modern IP telephony systems. It features 2 FXS ports, 1 Ethernet port, and supports SIP protocol, allowing users to connect standard phones or fax machines to VoIP services.

Cisco SPA112 Phone Adapter – Price in Kenya

Cisco SPA112 – Technical Specifications

Cisco SPA112 – Key Features

• 2 FXS ports for connecting analog phones or fax machines

• SIP protocol support for VoIP integration

• T.38 fax relay for reliable fax transmission over IP

• Secure voice communication with TLS/SRTP encryption

• Compact and easy to install with plug-and-play setup

• Remote provisioning for service providers and IT admins

Cisco SPA112 – Use Cases

• Homes transitioning from landline to VoIP

• Small businesses using analog phones with IP PBX

• Fax machines in VoIP environments

• Legacy device integration in modern networks

• VoIP resellers and service providers

Cisco SPA112 – Pros and Cons

Pros:

• Affordable and reliable ATA

• Supports both voice and fax

• Easy setup and remote management

• Compatible with major SIP platforms

Cons:

• No built-in router or Wi-Fi

• Limited to 2 analog devices

Conclusion – Cisco SPA112 2-Port ATA

The Cisco SPA112 is a practical and cost-effective solution for integrating analog phones and fax machines into VoIP systems in Kenya. At KSh 4,800, it’s ideal for homes, small offices, and businesses upgrading to IP telephony while retaining legacy devices.