/// Что с этой функцией делать?! Как отсюда убрать? Убрать в Helpers?
private void WriteAuthorization(SipMessageWriter writer, Methods method, ArraySegment <byte> content)
{
if (trunk.Nonce.IsValid)
{
int nc = trunk.GetNextNonceCount();
int cnonce = Environment.TickCount;
var response = SipDigestAuthentication.GetResponseHexChars(trunk.AuthenticationId, trunk.Realm, AuthAlgorithms.Md5, trunk.Nonce,
cnonce, nc, trunk.Password, trunk.Qop, trunk.Uri, method.ToByteArrayPart(), content);
writer.WriteDigestAuthorization(trunk.AuthHeader, trunk.AuthenticationId, trunk.Realm, trunk.Qop, AuthAlgorithms.Md5, trunk.Uri,
trunk.Nonce, nc, cnonce, trunk.Opaque, response);
}
}