diff --git a/daemon/src/managerimpl.cpp b/daemon/src/managerimpl.cpp
index aab64b6c4f5dc83dca4ed45e1729d0204cd3ae7e..ed92262516dd944b57642518a3fa398a020d309b 100644
--- a/daemon/src/managerimpl.cpp
+++ b/daemon/src/managerimpl.cpp
@@ -6,7 +6,6 @@
  *  Author: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
  *  Author: Alexandre Savard <alexandre.savard@savoirfairelinux.com>
  *  Author: Guillaume Carmel-Archambault <guillaume.carmel-archambault@savoirfairelinux.com>
- *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 3 of the License, or
@@ -1669,18 +1668,16 @@ void ManagerImpl::removeWaitingCall (const std::string& id)
     ost::MutexLock m (_waitingCallMutex);
     // should return more than 1 if it erase a call
 
-    if (_waitingCall.erase (id)) {
+    if (_waitingCall.erase (id))
         _nbIncomingWaitingCall--;
-    }
 }
 
 bool ManagerImpl::isWaitingCall (const std::string& id)
 {
     CallIDSet::iterator iter = _waitingCall.find (id);
 
-    if (iter != _waitingCall.end()) {
+    if (iter != _waitingCall.end())
         return false;
-    }
 
     return true;
 }
@@ -1691,11 +1688,7 @@ bool ManagerImpl::isWaitingCall (const std::string& id)
 // SipEvent Thread
 bool ManagerImpl::incomingCall (Call* call, const std::string& accountId)
 {
-
-    std::string from, number, display_name, display;
-
-    if (!call)
-        _error ("Manager: Error: no call at this point");
+    assert(call);
 
     stopTone();
 
@@ -1704,12 +1697,12 @@ bool ManagerImpl::incomingCall (Call* call, const std::string& accountId)
     associateCallToAccount (call->getCallId(), accountId);
 
     // If account is null it is an ip to ip call
-    if (accountId == "") {
+    if (accountId.empty())
         associateConfigToCall (call->getCallId(), Call::IPtoIP);
-    } else {
+    else {
         // strip sip: which is not required and bring confusion with ip to ip calls
         // when placing new call from history (if call is IAX, do nothing)
-        std::string peerNumber = call->getPeerNumber();
+        std::string peerNumber(call->getPeerNumber());
 
         int startIndex = peerNumber.find ("sip:");
 
@@ -1717,7 +1710,6 @@ bool ManagerImpl::incomingCall (Call* call, const std::string& accountId)
             std::string strippedPeerNumber = peerNumber.substr (startIndex + 4);
             call->setPeerNumber (strippedPeerNumber);
         }
-
     }
 
     if (!hasCurrentCall()) {
@@ -1726,17 +1718,16 @@ bool ManagerImpl::incomingCall (Call* call, const std::string& accountId)
         call->setConnectionState (Call::Ringing);
         ringtone (accountId);
 
-    } else {
+    } else
         _debug ("Manager: has current call, beep in current audio stream");
-    }
 
     addWaitingCall (call->getCallId());
 
-    from = call->getPeerName();
-    number = call->getPeerNumber();
-    display_name = call->getDisplayName();
+    std::string from(call->getPeerName());
+    std::string number(call->getPeerNumber());
+    std::string display_name(call->getDisplayName());
 
-    if (from != "" && number != "") {
+    if (not from.empty() and not number.empty()) {
         from.append (" <");
         from.append (number);
         from.append (">");
@@ -1749,7 +1740,7 @@ bool ManagerImpl::incomingCall (Call* call, const std::string& accountId)
     /* Broadcast a signal over DBus */
     _debug ("Manager: From: %s, Number: %s, Display Name: %s", from.c_str(), number.c_str(), display_name.c_str());
 
-    display = display_name;
+    std::string display(display_name);
     display.append (" ");
     display.append (from);
 
@@ -1764,21 +1755,19 @@ void ManagerImpl::incomingMessage (const std::string& callID,
                                    const std::string& from,
                                    const std::string& message)
 {
-
     if (participToConference (callID)) {
         _debug ("Manager: Particip to a conference, send message to everyone");
 
         Conference *conf = getConferenceFromCallID (callID);
 
         ParticipantSet participants = conf->getParticipantList();
-        ParticipantSet::iterator iter_participant = participants.begin();
-
-        while (iter_participant != participants.end()) {
+        for (ParticipantSet::const_iterator iter_participant = participants.begin();
+                iter_participant != participants.end(); ++iter_participant) {
 
             if (*iter_participant == callID)
                 continue;
 
-            std::string accountId = getAccountFromCall (*iter_participant);
+            std::string accountId(getAccountFromCall (*iter_participant));
 
             _debug ("Manager: Send message to %s, (%s)", (*iter_participant).c_str(), accountId.c_str());
 
@@ -1797,16 +1786,13 @@ void ManagerImpl::incomingMessage (const std::string& callID,
                 _debug ("Manager: Failed to get voip link while sending instant message");
                 return;
             }
-
-            iter_participant++;
         }
 
         // in case of a conference we must notify client using conference id
         _dbus.getCallManager()->incomingMessage (conf->getConfID(), from, message);
 
-    } else {
+    } else
     	_dbus.getCallManager()->incomingMessage (callID, from, message);
-	}
 }
 
 
diff --git a/daemon/src/sip/sipvoiplink.cpp b/daemon/src/sip/sipvoiplink.cpp
index f58d8ba1e1d4ec8abc88df612d54814f52f3918e..9c23f12751feee5ff605ab680ed1eeee7dd1914e 100644
--- a/daemon/src/sip/sipvoiplink.cpp
+++ b/daemon/src/sip/sipvoiplink.cpp
@@ -3759,13 +3759,12 @@ transaction_request_cb (pjsip_rx_data *rdata)
     _debug ("UserAgent: Account ID for this call, %s", account_id.c_str());
 
     /* If we don't find any account to receive the call */
-    if (account_id == "") {
+    if (account_id.empty())
         _debug ("UserAgent: Username %s doesn't match any account, using IP2IP!",userName.c_str());
-    }
 
     /* Get the voip link associated to the incoming call */
     /* The account must before have been associated to the call in ManagerImpl */
-    if((link = dynamic_cast<SIPVoIPLink *> (Manager::instance().getAccountLink (account_id))) == NULL) {
+    if ((link = dynamic_cast<SIPVoIPLink *> (Manager::instance().getAccountLink (account_id))) == NULL) {
         _warn ("UserAgent: Error: cannot retrieve the voiplink from the account ID...");
         pjsip_endpt_respond_stateless (_endpt, rdata, PJSIP_SC_INTERNAL_SERVER_ERROR,
         							   NULL, NULL, NULL);
@@ -3796,7 +3795,7 @@ transaction_request_cb (pjsip_rx_data *rdata)
         std::string method_name = "NOTIFY";
 
         // Retrieve all the message. Should contains only the method name but ...
-        std::string request =  rdata->msg_info.msg->line.req.method.name.ptr;
+        std::string request(rdata->msg_info.msg->line.req.method.name.ptr);
 
         // Check if the message is a notification
         if (request.find (method_name) != (size_t)-1) {
@@ -3847,35 +3846,30 @@ transaction_request_cb (pjsip_rx_data *rdata)
     /******************************************* URL HOOK *********************************************/
 
     if (Manager::instance().hookPreference.getSipEnabled()) {
-
         _debug ("UserAgent: Set sip url hooks");
 
-        std::string header_value;
-
-        header_value = fetchHeaderValue (rdata->msg_info.msg,
-        Manager::instance().hookPreference.getUrlSipField());
+        std::string header_value(fetchHeaderValue (rdata->msg_info.msg,
+                    Manager::instance().hookPreference.getUrlSipField()));
 
         if (header_value.size () < header_value.max_size()) {
-            if (header_value!="") {
+            if (not header_value.empty()) {
                 urlhook->addAction (header_value,
                 Manager::instance().hookPreference.getUrlCommand());
             }
         } else
             throw std::length_error ("UserAgent: Url exceeds std::string max_size");
-
     }
 
     /************************************************************************************************/
-
     _info ("UserAgent: Create a new call");
 
     // Generate a new call ID for the incoming call!
     id = Manager::instance().getNewCallID();
 
-    if((call = new SIPCall (id, Call::Incoming, _cp)) == NULL) {
+    if ((call = new SIPCall (id, Call::Incoming, _cp)) == NULL) {
         _warn ("UserAgent: Error: Unable to create an incoming call");
         pjsip_endpt_respond_stateless (_endpt, rdata, PJSIP_SC_INTERNAL_SERVER_ERROR,
-        NULL, NULL, NULL);
+                NULL, NULL, NULL);
         return false;
     }
 
@@ -3904,13 +3898,11 @@ transaction_request_cb (pjsip_rx_data *rdata)
 
     }
 
-    if (addrToUse == "0.0.0.0") {
+    if (addrToUse == "0.0.0.0")
         link->loadSIPLocalIP (&addrToUse);
-    }
 
-    if (addrSdp == "0.0.0.0") {
+    if (addrSdp == "0.0.0.0")
         addrSdp = addrToUse;
-    }
 
     call->setConnectionState (Call::Progressing);
     call->setPeerNumber (peerNumber);
@@ -3985,9 +3977,8 @@ transaction_request_cb (pjsip_rx_data *rdata)
         }
     }
 
-
     status = call->getLocalSDP()->receiveOffer (r_sdp, account->getActiveCodecs ());
-    if (status!=PJ_SUCCESS) {
+    if (status != PJ_SUCCESS) {
         delete call;
         call = NULL;
         _warn ("UserAgent: fail in receiving initial offer");
@@ -4038,7 +4029,7 @@ transaction_request_cb (pjsip_rx_data *rdata)
     }
 
     // Check if call have been transfered
-    if(replaced_dlg) { // If Replace header present
+    if (replaced_dlg) { // If Replace header present
 
     	_debug("UserAgent: Replace request foud");
 
@@ -4046,7 +4037,7 @@ transaction_request_cb (pjsip_rx_data *rdata)
 
     	// Always answer the new INVITE with 200, regardless whether
     	// the replaced call is in early or confirmed state.
-    	if((status = pjsip_inv_answer(inv, 200, NULL, NULL, &response)) == PJ_SUCCESS)
+    	if ((status = pjsip_inv_answer(inv, 200, NULL, NULL, &response)) == PJ_SUCCESS)
     		pjsip_inv_send_msg(inv, response);
 
     	// Get the INVITE session associated with the replaced dialog.
@@ -4058,8 +4049,7 @@ transaction_request_cb (pjsip_rx_data *rdata)
              status = pjsip_inv_send_msg(replaced_inv, tdata);
 
          call->replaceInvSession(inv);
-    }
-    else { // Prooceed with normal call flow
+    } else { // Prooceed with normal call flow
 
         // Send a 180 Ringing response
         _info ("UserAgent: Send a 180 Ringing response");
@@ -4089,7 +4079,6 @@ transaction_request_cb (pjsip_rx_data *rdata)
     				NULL, NULL, NULL);
     		return false;
     	}
-
     }
 
     /* Done */