- New York
+1 212 555 0187In use - Miami
+1 305 555 0165In use - San Francisco
+1 415 555 0123In use
Local numbers
Call your customers from a number in their city and take their calls on the same trunk.
See our numbersCarrier
Voice and numbering to reach more people
The carrier chosen by projects built on Genesys, inConcert or Voximplant: SIP Trunk, local numbers, voicemail detection with VHunter, WhatsApp Business Calling and AI agents.
Trusted by high-growth teams
Platforms
We connect to your contact center platform as your carrier over SIP Trunk. Your team keeps working as before; voice, numbers and contact rate are on us.
Bring your own carrier to Genesys, inConcert, Voximplant, Five9, NICE, Talkdesk and any SIP-ready platform.
Your IVR, routing and the way your agents work stay exactly as they are.
We adapt to your volumes and to your operation's technical requirements.
Redundant infrastructure for continuity, stability and voice quality.
Contact rate
Contact rate is won before the call reaches an agent: which number it goes out on, whether voicemail picks up and how the conversation carries on when nobody answers.
+1 212 555 0187In use+1 305 555 0165In use+1 415 555 0123In useCall your customers from a number in their city and take their calls on the same trunk.
See our numbersVHunter recognizes voicemail by its frequency, before pickup, with a high success rate and big savings on voicemail.
Discover VHunter+44 20 7946 0482International+52 55 ··· 4821International+34 91 ··· 2273InternationalInternational numbers and traffic for campaigns in several markets, with a single carrier.
See our coverage
Hi Anna, we tried to call you a moment ago. Is 5 p.m. a good time to call you back?
If voicemail answers, the conversation carries on over WhatsApp.
Channels and AI
Take WhatsApp calls in your platform like any other SIP call, and let AI voice agents handle peaks, night shifts or entire campaigns.
WhatsApp calls in your contact centerYour customers call from WhatsApp and the call arrives over SIP in your platform, with your queues, your IVR and your recording.
Discover WhatsApp Business CallingThey speak naturally, capture details the first time and work in your campaigns alongside your team, with a dedicated pod for every call.
Discover our AI voice agentsNetwork and coverage
Your traffic runs over our private multicloud network, redundant end to end, with local numbers and POPs across the Americas and Europe.
Away from public-network congestion, for better security and voice quality.
Redundant POPs and routes, so your operation never depends on a single point.
Local numbers and international traffic to reach your customers wherever they are.
We're an SMS provider in Mexico for your campaign follow-ups.
Success story
BPOs, universities, banks and hotel chains trust us to take their voice operations to the next level.
+15%improvement in real contact rate
BPO / Contact CenterConfidential caseSmart numbering and voicemail detection to raise the real contact rate. A redundant network and carrier-grade security to scale without compromising quality or availability. Plus AI voice agents to streamline operations.
SIP TrunkAI voice agent
Frequently asked questions
BYOC means Bring Your Own Carrier: you connect your cloud contact center platform (Genesys, inConcert, Voximplant, Talkdesk…) to the voice carrier of your choice instead of relying on the default one. That gives you control over voice quality, costs and numbers.
Genesys, inConcert, Voximplant, Five9, NICE, Talkdesk, Sprinklr, Avaya and any platform that supports standard SIP. Astroline acts as your voice carrier over SIP Trunk.
No. Astroline plugs in as your carrier over SIP Trunk on top of Genesys, Talkdesk, Avaya or any compatible CCaaS. Your IVR, routing and agent workflows stay untouched.
Usually less than 48 hours, and it doesn't interrupt your live operation.
By working on the call in the trunk: local numbers, voicemail detection with VHunter in early media, and follow-up on WhatsApp when nobody answers.
Standard detectors analyze the audio for voice patterns after the call connects. VHunter works in early media, before pickup, and recognizes voicemail by the signal's frequency, with a high success rate and big savings on voicemail.
Yes. With WhatsApp Business Calling, WhatsApp calls arrive in your platform over SIP Trunk like any other call, with your queues, your IVR and your agents, human or AI.
Yes. We provide local numbers and voice in more than 85 countries, so you can have a local presence in several markets with a single carrier.
We review your volumes, campaigns and numbers, and propose the best mix of SIP Trunk, numbers, voicemail detection and channels.
inConcert
Voximplant