Consolidate your voice and data with a SIP trunking solution that delivers outbound, inbound, local and long distance calling with advanced calling features and management for businesses utilizing existing premises-based telephony equipment.
Optimize network capacity
Combine voice and data over integrated access and simplify network management
Utilize your current equipment
Avoid investing in new equipment for voice lines
Only pay for the number of lines you need
Be scalable and flexible
Increase and decrease the number of concurrent call channels as needed
Maintain call quality
Benefit from calls carried on the AT&T MPLS network, not public internet
Avoid toll charges
On-net (VoIP to VoIP) calls route within the IP network and don’t incur additional charges
You must use either AT&T Dedicated Internet Service (ADI) or AT&T Virtual Private Network (AVPN) for high-speed dedicated access.
There is no limit on the number of calls that the service can originate per second.
We are committed to protecting your privacy.
Thank you for contacting us about SIP Trunking. An AT&T Representative will contact you shortly to provide any additional information and answer any questions.
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