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! Embaucher des VoIP Developers

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    asterisk RFC3699 6 jours left
    VERIFIÉ

    Hello Guys, I have small issue the asterisk is rejecting call... due to Tel URI .... INVITE sip:+9714602XXXX@xxxxxxxxx SIP/2.0 Via: SIP/2.0/UDP [se connecter pour voir l'URL];branch=z9hG4bK34zzdzv9zdt3bthz6bzh6d6zc;Role=3;Hpt=8e42_36;TRC=ffffffff-ffffffff Call-ID: asbcqd3893uim9dfu8m1bxokwmf3duu8tf3m@[se connecter pour voir l'URL] From: <tel:0559625523;noa=national;srvattri=nationa...

    €42 (Avg Bid)
    €42 Offre moyenne
    1 offres

    1- check the load balance is configured well 2- enable voucher system to be monthly 3- enable login templets in user phone 4 -user limitation for internet usage 5- user hotspot disabled on them phone (no one can share internet from his phone )

    €21 (Avg Bid)
    €21 Offre moyenne
    2 offres
    Sonicwall VOIP 6 jours left
    VERIFIÉ

    I enabled SonicWALL VPN and i used for NEC IP phone but SonicWALL is blocking the packets so it is ringing but no sound coming

    €48 (Avg Bid)
    €48 Offre moyenne
    6 offres
    3cx IVR setup 6 jours left
    VERIFIÉ

    We have a working 3CX server. All phones and lines are working OK. We have the 3cx PRO version. We need to makean IVR menu (see attachment) We will provide all mp3 files. Ignore green letters on atatchment (this is the text for the mp3 files we will provide)

    €164 (Avg Bid)
    €164 Offre moyenne
    5 offres

    The Project requires a developer with knowledge in the VoIP industry and utilizing Vue and node.js the web App will deal with carrier APIs ( Like Bandwidth ) grab the services, like SIP TRUNK, Number ( DID ) selling, SMS Selling, Voice and e911 reselling) the user will subscribe to our portal, select the product ( e.g Buy Phone Number ( DID ) will go through filtering by selecting Country, City, S...

    €2168 (Avg Bid)
    €2168 Offre moyenne
    3 offres
    Outbound calls 6 jours left

    I need someone to assist us in making outbound calls to potential sellers. You must be willing to work for $0.50 per hour between the hours of 8 am - 9 pm eastern time. I’m looking for an average of 800 to 1000 calls per day. I will provide autodialer. Will be trained and given scripts. Must speak fluent english

    €3 / hr (Avg Bid)
    €3 / hr Offre moyenne
    6 offres
    API for Asterisk Based System 6 jours left
    VERIFIÉ

    I am looking to develop API for Grand stream / Open Vox IP PBX system using the Asterisk Manager Interface (AMI) or using the API document which is given by the Grand Stream (find enclosed) I need the following API Click to Call API Auto call forwarding to extension based on the mobile number Getting call logs data - CDR / CLI

    €84 (Avg Bid)
    €84 Offre moyenne
    2 offres

    Hello, I would need to get help with building easy Kamailio IMS (IP Multimedia Subsystem) topology, adding presence server to this topology, so I can use and analyze how presence service works in IMS - preferably in wireshark.

    €30 - €250
    €30 - €250
    0 offres

    Hi. I need someone to manipulate the receivers response to the caller according to the time of answering the call. My goal is. If a call is received within "5" second then the receiver will be considered offline but the caller will still listen the ringing tone. So the caller will think the phone is ringing when it's actually unreachable. Budget $50 Thank you.

    €128 (Avg Bid)
    €128 Offre moyenne
    3 offres

    Hi Friends, I need professional mobile had experienced working with OTT APP (have features call look like messenger/Viber/Whatapp) , can make call and wakeup call anytime when receive push notification of server. We use SIP Server ( Freeswitch) to develop system. Each time have call from user A -> user B, system will push notification to user B User B install mobile app ( Android/IOS) and wake...

    €5024 (Avg Bid)
    €5024 Offre moyenne
    13 offres
    VOIP PROJECT - asterisk 4 jours left
    VERIFIÉ

    NEED HELP TO SETUP VOIP SERVER - RUNS ASTERISK AND ALSO ONGOING SUPPORT

    €164 (Avg Bid)
    €164 Offre moyenne
    18 offres
    I need help on setup Billing 4 jours left
    VERIFIÉ

    Need help to setup billing based on the package on my website. My website is VOIP credit selling. Let me know if you have experience.

    €4 / hr (Avg Bid)
    €4 / hr Offre moyenne
    2 offres

    I do have VOS3000 2.1.2.4 Security Authentication Panel installed on my server, I need help to configure it so that it will automatically block the SIP IP Address that has 3 failed login attempt. Also the Admin should be able to unblock the IP Address once the it has been verified that IP Address in question is not a hacker!

    €106 (Avg Bid)
    €106 Offre moyenne
    3 offres
    Asterisk Expert 4 jours left

    Hi. I need someone to manipulate the receivers response to the caller according to the time of answering the call. My goal is. If a call is received within "5" second then the receiver will be considered offline but the caller will still listen the ringing tone. So the caller will think the phone is ringing when it's actually unreachable. Thank you.

    €145 (Avg Bid)
    €145 Offre moyenne
    7 offres

    Openvpn Setup and Connect the pbx

    €15 / hr (Avg Bid)
    €15 / hr Offre moyenne
    9 offres

    need android application for virtual calling using VOIP on regular number Create Dial pad and call from application via internet to regular SIM number

    €160 (Avg Bid)
    €160 Offre moyenne
    6 offres
    Build a VoIP SIP softphone 3 jours left
    VERIFIÉ

    I am looking for softphone for Windows just like linphone. Let me know if you have any questions.

    €338 (Avg Bid)
    €338 Offre moyenne
    5 offres

    We have already done the setup of SBC and Teams direct routing. We need some assistance with migrating SFB users to Teams.

    €1075 (Avg Bid)
    €1075 Offre moyenne
    1 offres

    This is a live transfer campaign for PPO Health Insurance. I am looking for Call Centers that can do live transfers on a daily basis. Expecting 2-3 transfers per agent a day. If you have experience doing PPO Health Insurance then let me know. This is a weekly payment term and on CPL only. Once you pass 120 Seconds doing the warm transfer then the lead becomes billable. This campaign does not provi...

    €3944 (Avg Bid)
    €3944 Offre moyenne
    1 offres

    Setup Monitoring with Zabbix 5.4 for an Old AsterixPBX (v11) (With Videotutorial for own use)

    €137 (Avg Bid)
    €137 Offre moyenne
    8 offres
    Creat freepbx 3 jours left
    VERIFIÉ

    Creat FreePBX on pc and make it work offline and online on the network + configuration for Grandstream GXW42XX Gateways and GSM gateway and other configuration

    €60 (Avg Bid)
    €60 Offre moyenne
    8 offres
    Fix FreePBX Fax Pro error 2 jours left
    VERIFIÉ

    I recently installed a new FreePBX on the cloud and purchased the Fax PRO module, it works fine for receiving fax but when sending out fax the following error appears: The call dropped prematurely

    €27 (Avg Bid)
    €27 Offre moyenne
    2 offres

    cisco switch and wifi extender not recognising new broadband provider.

    €131 (Avg Bid)
    €131 Offre moyenne
    28 offres

    Hello, I'm looking for an expert in AstLinux VoIP. I need to build a testing system and have a expert advice & tips on SIP Providers and other topics. This project needs documentation, this means you will have to document all the configuration steps. I want to use AstLinux because it's stable and doesn't have a lot of moving parts. [se connecter pour voir l'URL] I'...

    €156 (Avg Bid)
    €156 Offre moyenne
    7 offres
    telemarketer calls 1 jour left
    VERIFIÉ

    I need a person who will make a telemarketer calls for my business for period of may two weeks on a daily bases

    €14 / hr (Avg Bid)
    €14 / hr Offre moyenne
    9 offres

    Web Administration: (Adding new phone numbers + Adding new users + Call recording + Adding phone numbers to users). One number can be connected to multiple users the one who accept the call the quickest, takes the phone call. User App: User logins with his login credentials that were created by the adminstrator. User can see the phone numbers that are connected to his account. User should be able...

    €2399 (Avg Bid)
    €2399 Offre moyenne
    33 offres
    Asterisk TEL URI Issue 6 jours left
    VERIFIÉ

    I have small issue the asterisk is rejecting call... due to Tel URI .... INVITE sip:+9714602XXXX@xxxxxxxxx SIP/2.0 Via: SIP/2.0/UDP [se connecter pour voir l'URL];branch=z9hG4bK34zzdzv9zdt3bthz6bzh6d6zc;Role=3;Hpt=8e42_36;TRC=ffffffff-ffffffff Call-ID: asbcqd3893uim9dfu8m1bxokwmf3duu8tf3m@[se connecter pour voir l'URL] From: <tel:0559625523;noa=national;srvattri=national>;tag=kx1t...

    €17 - €17
    €17 - €17
    0 offres

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