/// <summary>
/// Configures the client for placing phone calls and validates user input.
/// </summary>
/// <remarks>
/// Remote URI Format: sip:[email protected]
/// </remarks>
/// <param name="remoteUri"> The SIP URI the call is being placed to.</param>
/// <returns>True if the call was placed successfully.</returns>
internal static bool MakeVideoCall(string remoteUri)
{
string dialPadPhonePattern = @"^(?:(?:\(?(?:00|\+)([1-4]\d\d|[1-9]\d?)\)?)?[\-\.\ \\\/]?)?((?:\(?\d{1,}\)?[\-\.\ \\\/]?){0,})(?:[\-\.\ \\\/]?(?:#|ext\.?|extension|x)[\-\.\ \\\/]?(\d+))?$";
string pattern = @"[ \-\s\t\n\r\(\)\*\#\+\.]*";
string replacement = "";
Regex rgx = new Regex(pattern);
Regex dialPadPhoneCheckRgx = new Regex(dialPadPhonePattern);
//string result = rgx.Replace(remoteUri, replacement);
Match match = dialPadPhoneCheckRgx.Match(remoteUri);
if (match.Success)
{
string result = rgx.Replace(remoteUri, replacement);
// Perserving the leading 1 if there is one:
//
/*
* if (result.Length > 10 && result[0] == '1')
* result = result.Remove(0, 1);*/
remoteUri = result;
}
//******************************** Maake Video Call **********************************************************************************************
// This method is called when user tap on call button on dial pad. or When user select the Contact from Contact list (All/Favorites)
// It will called only when there is a valid number entered for a call (After validation)
//*************************************************************************************************************************************************
ILinphoneService _linphoneService = ServiceManager.Instance.LinphoneService;
if (!_linphoneService.CanMakeVideoCall())
{
MessageBox.Show("Video call not supported yet.", "VATRP", MessageBoxButton.OK,
MessageBoxImage.Warning);
return(false);
}
if (MainWindow.RegistrationState != LinphoneRegistrationState.LinphoneRegistrationOk)
{
MessageBox.Show("Not Registered. Please register first", "VATRP", MessageBoxButton.OK,
MessageBoxImage.Error);
return(false);
}
// VATRP-2506, 2496: check to see if there is currently a call in progress. IF there is a call in progress, prevent
// an outgoing call.
int callCount = ServiceManager.Instance.LinphoneService.GetActiveCallsCount; // It checks if user already connected a call. if yes then it returns false.
if (callCount > 0)
{
return(false); // i think this can be a quiet failure - the user is already in a call.
}
bool muteMicrophone = false;
bool muteSpeaker = false;
bool enableVideo = true;
bool enableAudio = true;
if (App.CurrentAccount != null)
{
muteMicrophone = App.CurrentAccount.MuteMicrophone;
muteSpeaker = App.CurrentAccount.MuteSpeaker;
enableVideo = App.CurrentAccount.VideoAutomaticallyStart;
enableAudio = App.CurrentAccount.AudioAutomaticallyStart;
}
var target = string.Empty;
string un, host;
int port;
VATRPCall.ParseSipAddress(remoteUri, out un, out host, out port);
if (!host.NotBlank())
{
// set proxy to selected provider
// find selected provider host
var provider =
ServiceManager.Instance.ProviderService.FindProviderLooseSearch(
ServiceManager.Instance.ConfigurationService.Get(Configuration.ConfSection.GENERAL,
Configuration.ConfEntry.CURRENT_PROVIDER, ""));
//Use dial-around provider if selected
if (!string.IsNullOrEmpty(App.CurrentAccount?.DialAroundProviderAddress))
{
target = string.Format("sip:{0}@{1}", un, App.CurrentAccount.DialAroundProviderAddress);
}
else if (provider != null)
{
target = string.Format("sip:{0}@{1}", un, provider.Address);
}
else if (App.CurrentAccount != null)
{
target = string.Format("sip:{0}@{1}", un, App.CurrentAccount.ProxyHostname);
}
}
else
{
if (!string.IsNullOrEmpty(App.CurrentAccount?.DialAroundProviderAddress))
{
target = string.Format("sip:{0}@{1}", un, App.CurrentAccount.DialAroundProviderAddress);
}
else
{
target = string.Format("sip:{0}@{1}:{2}", un, host, port);
}
}
if (!App.CurrentAccount.DisableUserPhoneTag)
{
// https://www.twilio.com/docs/glossary/what-e164
// https://en.wikipedia.org/wiki/E.164
Regex rE164 = new Regex(@"^(\+|00)?[1-9]\d{4,14}$");
bool isE164 = rE164.IsMatch(un);
if (isE164)
{
target += ";user=phone";
}
else
{
target += ";user=dialstring";
}
}
var privacyMask = VATRP.Core.Enums.LinphonePrivacy.LinphonePrivacyDefault;
if (App.CurrentAccount.EnablePrivacy)
{
privacyMask = VATRP.Core.Enums.LinphonePrivacy.LinphonePrivacySession;
}
// update video policy settings prior to making a call
_linphoneService.MakeCall(target, /* destination */
true, /* videoOn */
ServiceManager.Instance.ConfigurationService.Get(Configuration.ConfSection.GENERAL,
Configuration.ConfEntry.USE_RTT, true), /* rttEnabled */
muteMicrophone, /* muteMicrophone */
muteSpeaker, /* muteSpeaker */
enableVideo, /* enableVideo */
enableAudio,
App.CurrentAccount.GeolocationURI, /* geolocation */
privacyMask); /* privacyMask */
return(true);
}
