Sinch In-App Calling

Overview

Real-time voice and video SDK for Android, iOS, and JavaScript (Web). Connects to Sinch's cloud for signaling and routing.

Supported call types

• App-to-App (VoIP/WebRTC between users)
• App-to-Phone (call PSTN numbers)
• App-to-SIP (connect to PBXs, contact centers)
• App-to-Conference (multi-party calls)
• Phone-to-App / SIP-to-App (inbound calls)

Agent Instructions

Policy gate sinch-shared-policy@5 (sha256:4864cf0fa8d6): The policy digest below is binding as written. Before implementation or live execution, read the full shared Sinch policy once per conversation — skip it if this exact ID/version/fingerprint is already loaded; read it if the version is newer or the fingerprint differs. This skill's canonical operation routes live in its Agent Instructions and Links sections.

Sinch policy digest (binding):