WebRTC iOS Call

EXTENSION

Call

extension Call

public func hangup()

Hangup or reject an incoming call.

call.hangup()

public func answer(customHeaders:[String:String] = [:])

Starts the process to answer the incoming call.

call.answer()

• Parameters: - customHeaders: (optional) Custom Headers to be passed over webRTC Messages, should be in the format X-key:Value X is required for headers to be passed.

public func dtmf(dtmf: String)

Sends a DTMF (Dual-Tone Multi-Frequency) signal during an active call. DTMF signals are used to send digits and symbols over a phone line, typically for interacting with automated systems, voicemail, or IVR menus.

• Parameter dtmf: A string containing a single DTMF character. Valid characters are:
  • Digits: 0-9
  • Special characters: * (asterisk), # (pound)
  • Letters: A-D (less commonly used)

// Navigate an IVR menu
currentCall?.dtmf("1")    // Select option 1
currentCall?.dtmf("0")    // Select option 0

// Special characters
currentCall?.dtmf("*")    // Send asterisk
currentCall?.dtmf("#")    // Send pound/hash

Note: The call must be in ACTIVE state for DTMF signals to be sent successfully. Each DTMF tone should be sent individually with appropriate timing between tones when sending multiple digits.

Name	Description
dtmf	A string containing a single DTMF character. Valid characters are:

public func muteAudio()

Turns off audio output, i.e. makes it so other call participants cannot hear your audio.

call.muteAudio()

public func unmuteAudio()

Turns on audio output, i.e. makes it so other call participants can hear your audio.

call.unmuteAudio()

public func hold()

Holds the call.

call.hold()

public func unhold()

Removes hold from the call.

call.unhold()

public func toggleHold()

Toggles between active and held state of the call.

call.toggleHold()