Anveo Direct vs Gamma SIP Trunks

Anveo Direct provides wholesale outbound call termination and inbound SIP trunking, with geographic phone numbers in more than 50 countries and 4,000 cities. The service says numbers can be activated and provisioned instantly. Customers can configure least-cost routing by selecting carriers, rates, failover options, and route blocks. The call termination page describes access to over 30 major Tier 1 carriers; the FAQ reports interconnects with over 56 carriers for outgoing calls. Call termination uses one-second billing, and DIDs have no monthly minimum commitment. The service describes direct carrier RTP without proxy media, redundant infrastructure, and automatic SIP trunk failover. DIDs support T.38 fax in most countries, and a free API can provision and manage DIDs. Hosted STIR/SHAKEN signing is included in hosted LCR at no extra charge for calls routed through Anveo. Authentication uses IP addresses; SIP registration is not supported, and calls are forwarded only to SIP URIs. Outbound termination accepts conversational voice traffic subject to the listed ASR and call-duration requirements. The pricing note lists service from $0.15/mo. Support is through online tickets, with limited free tickets and paid support add-ons.

Gamma SIP Trunks has no write-up on Specifiction yet; its figures are above.