---
title: callID
framework: coretelephony
role: symbol
role_heading: Instance Property
path: coretelephony/ctcall/callid
---

# callID

A unique identifier for the cellular call.

## Declaration

```swift
var callID: String { get }
```

## Discussion

Discussion Use this value to differentiate multiple active cellular calls.

## See Also

### Obtaining Information About a Cellular Call

- [callState](coretelephony/ctcall/callstate.md)