AT&T IP Flexible Reach
5.3#16 in sip trunking providersWeb
VisitAT&T IP Flexible Reach vs Callcentric SIP Trunking
Callcentric SIP Trunking
8.0#1 in sip trunking providersFrom $1.95 a monthFree planAndroidiOSWebExtension
VisitWhat both publish
| Fact | AT&T IP Flexible Reach | Callcentric SIP Trunking |
|---|---|---|
| Founded | 1885 | 2001 |
| Headquarters | Dallas, Texas, United States | New York, New York, USA |
AT&T IP Flexible Reach plans
- AT&T IP Flexible ReachPriced on request
Callcentric SIP Trunking plans
- Pay Per CallFree
- IP FreedomFree
- North America Basic$1.95 a month
- US/Canada Toll Free number$3.95 a month
- North America 500$6.95 a month
- North America 1000$12.95 a month
Pick AT&T IP Flexible Reach if…
This service suits businesses that want SIP trunking with existing premises-based voice equipment or PBX systems. It may also fit organizations connecting Microsoft Teams PBX and sharing trunks across branch offices.
Pick Callcentric SIP Trunking if…
Callcentric suits businesses using SIP-based IP PBXs or gateways that need outbound calling with variable per-minute charges. Its listed use cases include offices, call centers, IVR services, and calling card providers.