Cisco ATA 187 Analog Telephone Adapter (ATA187)

Save on your VoIP migration with the Cisco ATA 187 — a cost-effective analog telephone adapter that converts your existing analog phones and fax machines into IP devices. Professionally refurbished and fully tested, this unit ships ready to deploy on your network.

Key Features

• 2 RJ-11 FXS voice ports — each with an independent telephone number
• 1 RJ-45 10/100 Base-T Ethernet port
• Session Initiation Protocol (SIP) support
• Secure voice with SRTP/TLS encryption
• T.38 fax relay for reliable fax-over-IP
• Auto-provisioning via TFTP for fast deployment
• DHCP support for automatic IP assignment
• Compatible with Cisco Unified Communications Manager (UCM) 7.1(5) and later
• Compact design: 1.5 x 5.4 x 6.7 in. | Weight: 9.2 oz

Ideal Use Cases

Connect legacy analog phones, fax machines, and overhead paging systems to your VoIP network. Perfect for enterprise offices, small businesses, and service providers migrating from analog to IP telephony.

Why Buy from Reef Telecom?

• Industry-leading 10-year warranty on all refurbished equipment
• Free shipping on orders over $300
• Professionally inspected, tested, and restored to like-new condition
• Trusted B2B telecom equipment supplier

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.