Cisco ATA 187 Analog Telephone Adapter VoIP Gateway ATA187

Cisco ATA 187 Analog Telephone Adapter (ATA187)

Convert your analog phones and fax machines into IP devices with the Cisco ATA 187 Analog Telephone Adapter. This cost-effective VoIP gateway bridges your legacy analog equipment to modern IP telephony networks, protecting your existing telephone investment while unlocking powerful VoIP features.

Key Features

• 2 voice ports (FXS) with independent telephone numbers via RJ-11 connectors
• 1 RJ-45 10/100BASE-T Fast Ethernet port
• SIP protocol support for flexible VoIP deployment
• Secure voice communications with SRTP/TLS encryption
• T.38 fax relay support for reliable fax over IP
• Compatible with Cisco Unified Communications Manager (UCM) 7.1.5, 8.0.2, or higher
• Voice codecs: G.711, G.722, G.726, G.729
• DHCP for automatic IP address assignment
• Voice Activity Detection (VAD) and Comfort Noise Generation (CNG)
• Compact form factor: 1.5 x 5.4 x 6.7 in. (260g)

Ideal For

Enterprise and small-office environments looking to connect analog phones, fax machines, and other analog devices to VoIP networks. Commonly deployed alongside Cisco UCM for cost-effective analog-to-IP migration in offices, lobbies, and conference areas.

Why Buy from Reef Telecom?

• Industry-leading 10-year warranty on all equipment
• Free shipping on orders over $300
• Every unit fully tested and quality-assured before shipping

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.