
Callcentric SIP Trunking
8.0#1 in sip trunking providersFrom $1.95 a monthFree planAndroidiOSWebExtension
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| Fact | Callcentric SIP Trunking | SIP.US Cloud SIP Trunking |
|---|---|---|
| Integrations | Official setup coverage includes 3CX, Asterisk, Zoiper, Bria Solo, Grandstream, Yealink, Cisco, Polycom, Snom, Linksys, Obihai and other SIP devices. | Supported SIP-enabled PBX systems include 3CX, Asterisk, Elastix, Cisco, Avaya and Grandstream, plus open-source telephony applications. |
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.
It suits businesses in the United States or Canada that already have a PBX and need cloud SIP trunks. Organizations should account for one channel per concurrent call.