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

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    371 jobs found, pricing in GBP

    I need support for integrating Cisco Call Manager with Asterisk using SIP Trunk. I need to receive the calls from cisco to Asterisk. PLease bid only if you have prior hands on experience in it.

    £21 (Avg Bid)
    £21 Avg Bid
    2 bids

    Hi I need a Voice Broadcasting / Send Automated Calls using Outbound IVR , play message, call delivery and management system This can be done preferably using asterisk. I need hosted service not the solution. I will be using my own Sip based DID numbers if you want. Note: I need a service where i can pay upon usage

    £152 (Avg Bid)
    £152 Avg Bid
    3 bids

    we hiring freelancers for at&t process. we provide a sip and voip facilities. we redirect you the inbound calls. Want to offer at&t plans and new offers and hold the customer by your marketting skills.

    £356 (Avg Bid)
    £356 Avg Bid
    6 bids
    Mizu-VOIP quick assist. 5 days left
    VERIFIED

    I have a Mizu-Voip softswitch running on a virtual machine. I have an account with Alcazar Networks. I need the softswitch configured to forward calls from a DID to my VOIP account. Basically SIP server config, and a little IP stuff.

    £98 (Avg Bid)
    £98 Avg Bid
    3 bids

    We are a European Cloud Telephony Service Provider based in Belgium. We would like to provide our customers having smartphones with a simple-to-use App that would allow them to choose a mode (private, business etc.). Depending on the mode, the App will then do nothing or overwrite the dialed number to place GSM outgoing calls through our platform.

    £2410 (Avg Bid)
    £2410 Avg Bid
    24 bids

    Hello Freelancers , I need a CRM system with integrated GSM Call Centre with virtual UK mobile numbers from Twilio (may consider other solutions) Twilio integration: buying, managing phone/mobile numbers SMS: sending and receiving Voice calls: making and receiving calls Multiple user account access for future team members Important * OPEN TO EVERY SOLUTIONS AND OFFERS Please do...

    £538 (Avg Bid)
    £538 Avg Bid
    29 bids

    Create an Autodialer System for Automated Voice & SMS Campaigns over SIP VOIP & Wireless Gateways

    £191 (Avg Bid)
    £191 Avg Bid
    5 bids

    I need a script to change the IMEI numbers from asterisk dongles. I'm using Huaway E1553. Can anyone help me in building this? Thanks

    £263 (Avg Bid)
    £263 Avg Bid
    4 bids

    I am looking for help with Outbound Calls and Appointment setting. Will be using Mojo Dialer. Experience with this program a plus.

    £5 / hr (Avg Bid)
    £5 / hr Avg Bid
    22 bids

    We need a PABX programmer to solve our issues in our client. the issues are below: issues in Interconnecting SIP Trunk between NEC PABX to Cisco CUCM ver. 7 PABX. NEC to Cisco No ring Cisco to NEC all clear & smooth Details of the issues will be elaborated later once the project is accepted

    £211 (Avg Bid)
    £211 Avg Bid
    3 bids
    Create a VOIP Application 4 days left
    VERIFIED

    Hi I want to develop a VOIP application which would allow my users to call anywhere from anywhere through internet (to mobile or Landline). Please share a detailed proposal.

    £720 (Avg Bid)
    £720 Avg Bid
    37 bids

    I need an outbound sales person who has previous experience working with Australian clients. If you do not have experience with talking to Australians then please do not apply. Australians do have a strange version of english!

    £9 / hr (Avg Bid)
    £9 / hr Avg Bid
    4 bids
    Outbound softsale 4 days left
    VERIFIED

    Commission base $6 dollars per sale. Work from home Monday to Friday. Requirements: Laptop and USB headset Quiet work environment Fast internet conection Sales experience Positive attitude

    £19 (Avg Bid)
    £19 Avg Bid
    12 bids

    assist in the set up and configuration of wireless infrastructure (access point, WIFI, VoIP phones, etc) for small office.

    £231 (Avg Bid)
    £231 Avg Bid
    20 bids

    PRTG Configuration for VoIP business, we have less than 50 sensors to add. To setup monitoring for the follwing: - bandwidth, link between VPN CPEs. - Voice quality

    £23 - £188
    £23 - £188
    0 bids
    Re-Configure ShoreTel System 3 days left
    VERIFIED

    I am looking for someone that is very experienced with ShoreTel Systems. We will be working with Shoretel Server 20 with Build 19.45.8701.0 - Shoretel 50V and T1k units There are 2 sites connected with VPN, copper lines at one. I require help with setting up and testing the trunks between the 2 sites using the copper from one, and possibly setting up more trunks through an SIP provider.

    £22 / hr (Avg Bid)
    £22 / hr Avg Bid
    6 bids
    Create an Autodialer System 3 days left
    VERIFIED

    Create an Autodialer System for Automated Voice & SMS Campaigns over SIP VOIP & Wireless Gateways. we do not require an elaborate system - a Very Simple System for Automated Voice and SMS campaigns - initially only required for testing - later will need billing capability. And connect with our Wireless Gateways via SIP. Its A simple Work Need to Get Done ASAP.

    £260 (Avg Bid)
    £260 Avg Bid
    10 bids

    I would like to upgrade for cisco wireless 1572 EAC to "[url removed, login to view]"

    £77 (Avg Bid)
    £77 Avg Bid
    14 bids

    Setup telnet class to send ussd commands to multiple GSM gateways (up to 10 gateways) through a telnet permanent connection with a menu to choose each gateway. We need to be able to edit the menu of options for USSD commands.

    £139 (Avg Bid)
    £139 Avg Bid
    10 bids

    Voip security paper corrections

    £78 (Avg Bid)
    £78 Avg Bid
    22 bids

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