AT&T VOIP Business Services
AT&T VoIP Implementation Planner
The AT&T Business VoIP portfolio includes an array of AT&T services designed to support open protocols such as Session Initiated Protocol (SIP) and to provide the interoperability and scalability for improved application performance.
The AT&T BVoIP portfolio includes the following offers:
AT&T IP Flexible Reach (AT&T IPFR)
A SIP trunking service delivering inbound toll-free calls to customer locations over the AT&T Global network.
AT&T IP Toll-Free Service (AT&T IPTF)
A SIP trunking service delivering inbound toll-free calls to customer locations over the AT&T Global network.