VoIP Jobs and Contests

Voice over Internet Protocol or VoIP refers to a host of transmission technologies meant to deliver voice communications over IP networks that include packet switched networks and Internet. VoIP systems include communication services such as facsimile, voice, and voice messaging applications. A number of firms are shifting to this system to promote a cost effective medium of communication. You can hire an expert who can help your firm to leverage the potential of this new system. Just post a job today! Hire VoIP Developers on Freelancer
Sign up and start earning
Signup to start earning Are you a VoIP Developer? You could be earning money working on these jobs!

Browse Jobs on Freelancer

Project/Contest Description Bids/Entries Skills Started Ends Price (AUD)
Asterisk PBX Calls cuts of Calls at 32nd second. We have Class5 soft Switch (Voipswitch) And this switch send calls to asterisk and asterisk makes some changes to CLI prefix etc. and send it to Termination Partner. We can make calls from IOS app. and Access number. there is no issue. But if we call from Android app the call cuts of at 32nd second. There is no issue the calls from IOS and Access number. We need to fix this problem ASAP. Only ... 7 Linux, Asterisk PBX, VoIP, MySQL Sep 28, 2016 Today6d 14h $230
Kamailio server Install (LB-Server) I would ilke somene to install Kamailio server with activated loadbalncing (LB-Server) & routing fail-over between multiple kamillio servers. I curretly Have mutiple outbound Kamailio servers that are setup with least cost routingting (LCR-Server) I would like to create a loadbalncing Kamailio server (LB-Server) with failover to send balanced calls between our (LCR-Servers) Only if you... 2 Linux, VoIP, FreeSwitch Sep 28, 2016 Today12h 40m $60
Raspbx/Asterisk/chan_dongle configuration I am running RASPBX. My cell/mobile dongle is working and i can make/receive calls and send/receive SMS. However, I have the following issues: SMS truncating after @ on email forward SMS truncating after , on SMS forward SMS truncating for longer than 160 character messages received. I’d also like incoming SMS to php script capability. I will write the PHP but I can’t g... 5 Linux, Asterisk PBX, VoIP Sep 28, 2016 Today6d 12h $27
Build a Queue Callback for an Elastix PBX Develop a queue callback solution in elastix. I need the following. If a client calls a queue and the queue is full or there is no one to answer then the client is asked to press a digit to hangup. Whenever an agent is available then the system calls back the client when his position on the queue is reached and connects with the agent 3 Asterisk PBX, VoIP Sep 28, 2016 Today6d 7h $309
I would like to hire a VoIP Developer I would like to add to my existing mobile apps (1) VoIP app to app calls using twilio iOS and Android SDKs (service) (2) Chat IM using twilio iOS and Android SDKs as well (service) 3 VoIP Sep 28, 2016 Today6d 7h $902
I would like to hire a VoIP Developer I need Asterisk developer,who can help me to reduce the calling delay to GSM Network ( reduce the delay from 5 Sec to 2-2.5 sec). Some logical inputs for programming will be provided from my side. 3 Asterisk PBX, VoIP Sep 28, 2016 Today6d 4h $309
install asterisk 11 or 12 or 13 centos6 X64 i want to install asterisk on centos 6 X64 server useing shell file i mean .sh file cz i cant use multipol command before i use this now its not working yum -y install [url removed, login to view] yum -y install asterisk asterisk-configs --enablerepo=asterisk-11 if you can please bid 19 PHP, Linux, Software Architecture, Asterisk PBX, VoIP Sep 27, 2016 Sep 27, 20165d 17h $38
SIP to Viber gateway Hello, We need to develop a SIP to Viber gateway. The gateway should be able to pass voice calls incoming over SIP and forward them through Viber to complete the call to the called party number. The development platform/operating system is not important. The project should be completed either by using the Linux/Windows Viber executables, or by using the Android /Symbian/ Windows Phone mobile ve... 10 Java, Linux, VoIP, Telecommunications Engineering, Windows API Sep 27, 2016 Sep 27, 20165d 15h $1549
Configure an Audiocodes Mediant 1000 SBC for Skype for Business We have a Skype for Business 2015 installation to which I want to add Enterprise Voice functionality. We have a Audiocodes Mediant 1000B SBC that needs to be configured to accept the TLS over TCP from Skype and connect to our SIP trunking provider which uses UDP trunks. We also have a legacy FreePBX-based PBX that we need to integrate with Skype while we transition. So the SBC needs to be con... 5 Asterisk PBX, VoIP Sep 27, 2016 Sep 27, 20165d 10h $845
3cx Phone system remote set up We need someone to set up 3cx phone server in our office. Set up the server (we have 3cx licence) Set up soft phones on 4 computers (mac os) and 1 handset Set Up IVR menus Initial coaching on how to look after the phone server and do basic changes 9 VoIP, Telecommunications Engineering Sep 27, 2016 Sep 27, 20165d 7h $339
Wanted Unlimited Freelancers,Team from Hyderabad, A.P. India Hi, I need unlimited freelancers,Team from Hyderabad,Andhra Pradesh,India to work on my ongoing projects.I need you people to give me the updates daily through phone,skype,emails etc...I'll provide you my client on conference all you need to deal with technical stuffs as I'll deal with managerial [url removed, login to view] should be keen in understanding my client [url removed, logi... 18 .NET, iPhone, Android, VoIP, SAP Sep 27, 2016 Sep 27, 20165d 6h $7216
setting IP PBX jasa setting untuk keperluan kami yaitu: Billing System / Budgeting per ID / User Recording All Call IVR / Auto Attendance Call Fax to Mail & Mail to Fax Bisa Cabang IP PBX Yealink BLF [Busy Lamp Field] Sip Messenger connect Android APPS VOIP saat ini kami memakai program elastix dengan hardware openvox a814hj0582xk dengan chip 8fxo 3 System Admin, Linux, Asterisk PBX, VoIP Sep 27, 2016 Sep 27, 20165d 2h $108
Adtran 908e 2nd Gen Configuration Adtran 908e 2nd gen Border Gateway 2 VoIP Sep 27, 2016 Sep 27, 20165d $685
Fix my Vicidial server outbound calls issue Hi There, I need someone to fix my Vicidial Server. Inbound call works but not the outbound calls. Its a few minutes job for an experienced. Thanks. 11 Linux, Asterisk PBX, VoIP, Telecommunications Engineering Sep 26, 2016 Sep 26, 20164d 12h $41
VOIP Asterisk / Freepbx system I currently have a PBX system but cannot make out bound calls. I need some one to fix this for me . I also need to change the passwords to my extentions. 14 VoIP Sep 26, 2016 Sep 26, 20164d 12h $46
SMS Sending Gateway for USA and CANADA Looking for a developer who have or build a SMS sending gateway for USA and Canada. If anyone can host from these country and can send SMS to USA and Canada Number than you can apply here. Its a Long term, business 12 PHP, C# Programming, Software Architecture, VoIP, Communications Sep 26, 2016 Sep 26, 20164d 6h $628
Virtual Assistant for SMS Marketing and Solution Looking for a SMS gateway or service for sending unlimited SMS to my USA and Canadian Client. If anyone can have this solution than he/she can apply here. Even this can be a partnership work for long term. If you are from USA and if you can manage a SMS sending gateway than you are welcome to apply here. 7 PHP, Internet Marketing, Data Entry, C# Programming, VoIP Sep 26, 2016 Sep 26, 20164d 5h $222
I would like to hire a VoIP Developer - 26/09/2016 05:12 EDT 4 VoIP Sep 26, 2016 Sep 26, 20164d 4h $377
I would like to hire a VoIP Developer 1 VoIP Sep 26, 2016 Sep 26, 20164d 3h $65
Easy elastix help 2 I am getting an error "failed to establish the call", I have an elastix server and 3 machines with xlite installed, in xlite extensions appears available but in elastix I don't see them avaiable (orange dark color), when I dial 1234 sucessfully connects with elastix but when I try to dial a cel phone it failed to establish the call, by the way I am using a gsm gateway. 7 Asterisk PBX, VoIP Sep 25, 2016 Sep 25, 20163d 20h $70
CALL GENERATOR - VoIP/SIP based voice traffic generator We are a telecommunication comany and need to load our telephone lines with any kind of traffic (Phonecalls) coming from other networks. The reason is, that as new telephone operator you have to have a specific minimum amount of minutes every month to keep your license and interconnections (network connections to other networks or transit networks). The best, cheapest and easiest way of generating... 16 Linux, Asterisk PBX, VoIP, Shell Script, MySQL Sep 25, 2016 Sep 25, 20163d 17h $1337
Voip company setup, entire setup and manage Hello, I need a person who has expierence setting up a voip company, i need help with complete setup and taking the lead, Thanks 18 Linux, Asterisk PBX, VoIP Sep 25, 2016 Sep 25, 20163d 14h $17
We Need skilled person for VOIP programming We are looking for a developers who has expertise in VOIP software development. We want to built a software which can accept and rejects calls based on White listed numbers. 16 Linux, Software Architecture, Asterisk PBX, VoIP, MySQL Sep 25, 2016 Sep 25, 20163d 12h $246
integrete opensips We would integrete opensips in our current asterisk system 6 Asterisk PBX, FreeSwitch, VoIP Sep 24, 2016 Sep 24, 20162d 8h $30
IOS And Android SIP application Development Dear Partner , we want to develop SIP application for IOS and Android , we will provide you design and back end server support , you need to develop app with basic functions , please bid only if you have experience on SIP application , 64 Mobile Phone, iPhone, Android, Asterisk PBX, VoIP Sep 24, 2016 Sep 24, 20162d 6h $1918
I would like to hire a VoIP Developer 8 VoIP Sep 23, 2016 Sep 23, 20161d 8h $338
Elastix Unified Communication with Web RTC on Amazon EC2 Set up of Elastix unified communication on Amazon EC2 and testing the following scenarios for WebRTC functionality. 1. Web to Web Call 2. Web to Phone Client & Vice Versa 3. Phone client to soft phone & Vice Versa 4. web to softphone & Vice Versa 5. soft phone to soft phone 6. phone client to phone client Demonstration of conferencing and screen share functionality and oth... 1 Asterisk PBX, VoIP Sep 23, 2016 Sep 23, 20161d 4h $325
I would like to hire a VoIP Developer 2 VoIP Sep 23, 2016 Sep 23, 20161d 1h $31
voip professional needed Hi I need a voip professional to build a system for that i can offer voip service to my customers. 22 VoIP Sep 22, 2016 Sep 22, 201619h 46m $1658
adjustment on VoIP Panel I need someone who has very good experience in PHP and bootstrap to do the following 1- Recover panel to original Colors 2- Allow Graphs to show per ( Call history ) 3- Allow invoices to show ( bootstrap ) 4- Allow API page to be bootstrap 7 PHP, CSS, Asterisk PBX, VoIP, Bootstrap Jul 28, 2015 TodayEnded $126
Showing 1 to 31 of 31 entries
« 1 »