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Sip Jobs

37 were found based on your criteria

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Hourly - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I want to use OPENSIPS as a purely dumb switch and integrate it with Jerasoft (www.jerasoft.net) via radius and SIP redirect. Please read up on this on their website before quoting to make sure you fully understand how to do this. We will be hosting in... more
Skills: OpenSIPS RADIUS SIP

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
PREFERRED EUROPEAN CONTRACTOR ONLY Hello, Please include the word "A2Billing & didlogic" at the top of your application so I know your not a bot please. We are using Asterisk, Freepbx and A2billing. W Knowledge of A2billing , DIDLOGIC and Asterisk... more

Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
The TCP/IP VOIP Engineer will be providing functional and practical analysis related to the installation of the communication networks. The TCP/IP VOIP Engineer will be given the responsibility of Designing, maintaining and improving voice and telephony... more

Hourly - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
I require the functionality of a secure voice & instant message system that is encrypted with the best available options on the market. PGP / AES / SSL etc. Below are a few logical steps but the scope of work is to commission various servers with very... more

Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
I need my Twilio SIP account attached to Vicidial for Termination and Origination (Outbound and Inbound). Please read both the Vicidial documentation and SIP documentation on this before applying. https://www.twilio.com/docs/sip-trunking/sample-configuration http://www.vicidial.org/store.php(The... more

Fixed-Price - Est. Budget: $ 100 Posted
What we need its a vary small setup with 3-4 GSM cards and 1 PSTN line. All this needs to be directed to one SIP.(Ofcourse if line is busy need to be signaled for this and caller must wiat). We would like to use GSM FWT to PSTN because in this manner... more