
Anveo Direct
7.3#4 in sip trunking providersFrom $0.15 a monthFree planWebAPI
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| Fact | Anveo Direct | Callivex SIP Trunking |
|---|---|---|
| Authentication | Outbound trunks use IP authentication and the service does not support SIP registration. | Trunks support IP authentication, SIP registration, or a hybrid configuration, and the default IP-auth option supports up to eight source IPs per trunk. |
| Billing | The vendor advertises one-second billing for call termination and says DIDs have no monthly minimum commitment. | Calls are billed per connected second with five-decimal rate precision, with no 60-second minimum or six-second rounding. |
| Headquarters | Feasterville, Pennsylvania, United States | London, United Kingdom |
You want what its maker publishes above — check its page for the details.
Callivex may suit VoIP carriers, cloud PBX operators, contact centers, enterprises, and other organizations connecting telephony systems to the public network. It is relevant to teams seeking prepaid, usage-based SIP trunking.