Some renames in hold mechanism

src/call.cpp

@@ -29,7 +29,7 @@ p3::call::call(int i, p3::sipphone &p, p3::account &acc, int call_id) :
 	p3id(i),
 	state(p3::callState::NONE),
 	ringing(false),
-	hold(false),
+	isOnHold(false),
 	mute(false),
 	aud_med(nullptr)
 {}
@@ -113,10 +113,9 @@ char p3::call::get_state_char() {
 
 void p3::call::hold_toggle() {
 	try {
-		std::cout << "holdtx" << std::endl;
 		pj::AudDevManager& mgr = pj::Endpoint::instance().audDevManager();
 		pj::CallOpParam o;
-		if (hold) {
+		if (isOnHold) {
 			if (phone.hold_music == nullptr) {
 				reinvite(o);
 			} else if (aud_med != nullptr) {
@@ -124,7 +123,7 @@ void p3::call::hold_toggle() {
 				aud_med->startTransmit(mgr.getPlaybackDevMedia());
 				mgr.getCaptureDevMedia().startTransmit(*aud_med);
 			}
-			hold = false;
+			isOnHold = false;
 		} else {
 			if (phone.hold_music == nullptr) {
 				setHold(o);
@@ -133,7 +132,7 @@ void p3::call::hold_toggle() {
 				mgr.getCaptureDevMedia().stopTransmit(*aud_med);
 				phone.hold_music->startTransmit(*aud_med);
 			}
-			hold = true;
+			isOnHold = true;
 		}
 	} catch (pj::Error& e) {
 		throw p3::perror("call:hold toggle", e.info());

src/call.h

@@ -45,7 +45,7 @@ namespace p3 {
 		callState state;
 
 		bool ringing;
-		bool hold;
+		bool isOnHold;
 		bool mute;
 
 		pj::AudioMedia* aud_med;