15 Mn+ Calls a Month, Zero Compromise: How VoiceLink Powers GreyLabs' AI Conversations
Scaling Calling Without Compromising Reliability
As GreyLabs expanded its calling operations, traditional telephony infrastructure became increasingly difficult to manage at scale.
Low Call Connectivity
GreyLabs was processing approximately 1-2 lakh calls per day, making telephony reliability and scalability critical. Massive Calls, SIP connectivity, routing and infrastructure-level issues needed to be resolved without affecting ongoing calling operations.
Major Downtime Issue with Legacy System
With millions of calls running every month, even short periods of downtime could have a significant operational impact. GreyLabs needed an infrastructure partner capable of supporting continuous calling operations.
GreyLabs Partnered with VoiceLink for Scalable Indian Telephony
VoiceLink provided GreyLabs with the telephony infrastructure required to connect its high-volume calling environment with India's telecom network. The architecture was designed around SIP connectivity, scalable channel capacity, multiple DIDs and resilient infrastructure, allowing GreyLabs to focus on its voice applications while VoiceLink handled the telephony layer.
Indian Telephony & Compliance
For large-scale calling operations in India, number provisioning and regulatory compliance are critical. VoiceLink provides Indian number infrastructure across mobile, landline, 140-series promotional and 1600-series transactional use cases, with compliance built into the telephony layer. For GreyLabs, this helped establish a more structured and scalable foundation for its Indian calling operations.
Voice AI at Scale: 1500+ Channels
As GreyLabs scaled its Voice AI deployments, its telephony requirements grew with them. VoiceLink supported 600+ channels, enabling high-volume calling across multiple numbers through a scalable SIP connectivity layer. The result: simpler telephony management, consistent connectivity, and infrastructure ready to support Voice AI at scale.
Infrastructure Built for Reliability
GreyLabs needed more than basic connectivity — it needed a SIP-based integration built for scale. VoiceLink's SIP architecture added multiple layers of routing and failover, minimizing service interruptions and giving GreyLabs a telephony environment built for continuous operations.
Real-Time Dashboard & Call Logs
VoiceLink’s dashboard gave GreyLabs AI full visibility over every call — initiated, connected, or failed, and exactly where. Diagnostic clarity in minutes, not days. The confidence to ship and iterate without guesswork.
