Understand phone number rental costs, plus how SIP and Caller ID usage is billed by the minute.
Robocallz.ai offers multiple ways to handle phone numbers for inbound or outbound calls. You can rent a dedicated number from us, use a SIP trunk (no monthly fee but carrier costs are on your own PBX), or verify an existing Caller ID (also no monthly fee, but region-based per-minute charges).
If you already have a VOIP/PBX solution, you can integrate via a SIP trunk with no monthly rental from Robocallz.ai. Instead, you pay:
SIP Per-Minute: $0.00045/min on our side for carrier bridging. Your VOIP provider may also have separate usage fees.
Your Existing Number: You’ll continue to use your own phone lines for inbound and outbound, but the carrier layer costs $0.00045/min with us whenever the AI is on the call.
This is ideal if you’re comfortable managing your own phone system or want to keep your existing numbers without renting from us. See our SIP Integration Guide for setup instructions.
Carrier Rates: Some countries cost 0.01/min,others0.50/min due to local carriers.
Inbound: If you rent a number in a high-cost region or special type, inbound calls could have surcharges.
Regardless of whether you rent a number or use Caller ID/SIP, the carrier portion of the call cost depends on the destination/origin country and is typically added to your overall usage.