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! Zaměstnat VoIP Developers

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    Docsis CMTS Config 6 dní left
    OVĚŘENÉ

    I like help to configure a Cisco CMTS 7246 for MC88V Module

    €9 - €26
    €9 - €26
    0 nabídky

    We are an E-commerce company looking for TWO associates for a full-time long-term position. Our current freelancers have been working with us for 3+ years and we were able to find good talented people. We are now looking to expand and are in need of a serious candidate who is looking for a full-time long-term position and can work During USA CST Timezone. (1) First candidate Role: Responds to Cu...

    €3 / hr (Avg Bid)
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    webrtc client 6 dní left
    OVĚŘENÉ

    I want to build webrtc mobile app which support video call, chat and upload documents

    €688 (Avg Bid)
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    28 nabídky
    Asterisk PBX with WebRTC - GURU 6 dní left
    OVĚŘENÉ

    To duplicate an existing Asterisk Server with WebRTC ( HTTP5 - SSL - etc.) onto another machine and make some changes. Works together with an Apache Web Server and a MySQL Data Base, on separate machines. Must function as an immediate - identical backup !

    €823 (Avg Bid)
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    13 nabídky

    need to customize a2billing for retail voip clients calling from android and iphone. Looking for experienced developers in a2billing and mobile VOIP apps

    €529 (Avg Bid)
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    Se requiere soporte en Tecnologia CISCO en los siguientes Paises Cuba, Republica Domunicana, Mexico, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, Panama, Nicaragua, Colombia, Venezuela, Ecuador, Peru, Brasil, Bolivia, Paraguay, Uruguay, Argentina y Chile. Los Modelos de los equipos son CISCO 2921/K9 - CISCO 1814- CISCO1921/K9 Servicio SLA 24X7X4

    €29 / hr (Avg Bid)
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    Twilio SIP set-up 6 dní left
    OVĚŘENÉ

    Please set-up Twilio phone number with SIP so I can use on following site: [pro zobrazení URL se přihlaste]

    €16 (Avg Bid)
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    Need to intercerp GSM SMS messages. The work is constant. Payment by results!

    €2946 (Avg Bid)
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    Programming 6 dní left
    OVĚŘENÉ

    iOS, Android, VOIP app

    €2132 (Avg Bid)
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    Project for Mohammad Abu S. 8 dní left
    OVĚŘENÉ

    Hi abusayed2004, I noticed your profile and would like to offer you my project. We can discuss any details over chat. I have a diagram and list of AWS services I can use. Need to add the potential AWS services to the diagram. It should take about an hour to do.

    €43 (Avg Bid)
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    I need a complex asterisk job ... need experts only.

    €14 / hr (Avg Bid)
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    I need to customize or make an app similar to csipsimple, which supports at least codec g729, g711a, g722, gsm, must be able to customize the server to record and have excellent audio quality [pro zobrazení URL se přihlaste]

    €89 (Avg Bid)
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    5 nabídky

    I'm looking for a tech who already has completed a Ringless Voicemail drop system. We are US based company and will target users in US only so will calling 10-digit US phone numbers. We would ideally prefer some open source technologies to be used with it like FreeSwitch etc.. If you Already have completed a ringless voicemail drop system please bid

    €560 (Avg Bid)
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    I need a certified Cisco Engineer to support my wireless environment on a daily basis. I am willing to pay per ticket logged. No chancers please.

    €62 (Avg Bid)
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    Hi, I am from fourth quadrant consultants. I require an engineer to help me out with cisco telepresence

    €1390 (Avg Bid)
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    VOIP - CALL DROPS 5 dní left
    OVĚŘENÉ

    We use a XORCOM ELASTIX VOIP and have 2 office locations with a VPN tunnel. The second office cant make or receive calls which seems to be a SIP ALG or NAT issue. But need this fixed.

    €90 (Avg Bid)
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    I need someone to make sales calls to local businesses with the goal of setting up a meeting to sell my services as a web developer.

    €135 (Avg Bid)
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    Looking for a CISCO tech preferably with Cisco certifications to configure a Cisco ASA 5516-X with VPN access and reconfigure of external IP addresses to work with new ISP provider.

    €266 (Avg Bid)
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    Setup IVR System 4 dní left

    We want to set up our own end-to-end IVR system. Need an expert who can consult, guide and get the set up completed from Hardware installation to software development. We are based in Mumbai.*Removed by Admin* get in touch directly. We have built a python program that we want to integrate over an IVR service. We will begin by you letting us know system requirements and then complete project execut...

    €1809 (Avg Bid)
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    OBD CALLING 4 dní left

    Hello We have SIP,PRI and want to build script where we can make OBD Calling (asterisk),

    €1415 (Avg Bid)
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    Avaya Ip Office 500 4 dní left
    OVĚŘENÉ

    Need help with Avaya IP Office 500 v2 change extension ringing fix telephone not starting

    €30 (Avg Bid)
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    We want to use our freepbx as a call center solution. We need to develop an auto dialer module similar to Vicidial for our freepbx system. FreePBX is a great PBX system. Now we need to make it a complete package for telemarketing. Most of the ViciDialer should be there. Regards, ALSOFT

    €1417 (Avg Bid)
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    I have a working FreePBX server. The freepbx server is running good so far. The following changes needed in my server. 1. I want to install a open source predictive Dialer in my freepbx. I have have chosen VICIDIAL for that. You may suggest better one. The dialer must use existing extensions for auto dialing features. 2. You must configure the system till first successful campaign running. You w...

    €66 (Avg Bid)
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    I have bought an OpenVOX GSM gateway. The GSM gateway is working good so far. But I need a small changes in configuration for smooth operation of the gateway. The gateway is not passing correct caller id to my PBX. Caller ID has two parts. One is Caller ID name and another is Caller ID number. Caller ID name part is okay and gateway sends is as the actual caller ID. Where is Caller ID number is in...

    €28 (Avg Bid)
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    phone calls cold calling 8am-5pm - shift 1 cdt 12pm -7pm shift 2 cdt monday - friday 10am- 6pm - saturday sunday cdt shift 3 Cold Calling Skills please send your resume and pricing. abilities software previous experience .mp3 sample if you have one must speak good english. rate is negotiable thanks and good luck

    €16 (Avg Bid)
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    Looking for an experienced contractor to update configuration on our VOIP environment (a dozen or so phones). Currently using PiaF / FreePBX but happy to change to another distro if needed. Most phone are Mitel/Aastra 6739i and plus a couple cheaper aastra and a polycom conf phone. Key Issues / Targets: 1. Hot-desking - Configuration to allow for user speeddials to move with users as they log i...

    €34 / hr (Avg Bid)
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    Hello Freelancer I am looking for an experience International caller Tech support guy who can help me with my work. full details over chat

    €786 (Avg Bid)
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    Task: Configure Nexmo account - for "phone support in two languages with call forwarding and option to leave a message " Structure. If you want to speak with a representative in Russian press 1 - "Message will be recorded by us in an audio file" If you want to speak with a representative in Estonian press 2 - "Message will be recorded by us in an audio file" When ...

    €166 (Avg Bid)
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    ......................................... details on chat

    €31 (Avg Bid)
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    GSM Call to VOIP android app 1 den left
    OVĚŘENÉ

    We need a Android app that take GSM Call and SMS to Send to Server so other side phone can see SMS and take calls instantly to avoid Roaming. Also maintain call logs, SMS logs, contacts on server and sync to APP that installed on other phone. We will provide you Linux server to setup.

    €1414 (Avg Bid)
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    Reconnect some offices to an old Mitel infrastructure. Consultancy to change some network parameters in the system

    €226 (Avg Bid)
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    Integrate PBX ( Cisco, Avaya ) with Middleware for Phone Lock/Unlock, Assign Name to extension, create Voice Mail, Set/Delete Wakeup Call etc. More info will be shared when the candidate is selected.

    €16 / hr (Avg Bid)
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    Project for Vasile P. 4 dní left
    OVĚŘENÉ

    Hi Vasile P., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    €7 / hr (Avg Bid)
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    We are looking for a person or group to call our existing customers and upsell some of our services. we would also like incoming calls to be answered (IF possible) our first goal is for you to call about 300 customers and follow a simple script to upsell their existing services, second is to call on new customers. Outbound calling Hours of working will be from 10am-11:30am and 1:30-3:30pm Easter...

    €98 (Avg Bid)
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    Hello, We need to add a functionality to our IVR which is based on Asterisk V 13.14.0 / PhpAGI. Os is Debian 8, database is MySql 5, Php is also 5. Simple functionality: - Inbound call accepted (client who needs support) - IVR (PhpAGI) says "welcome" - Call is forwarded to 1st level agent (already done by DIAL command) - 1st level agent takes call, but finds out he need to ask 2nd lev...

    €579 (Avg Bid)
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